1、工业革命英语演讲稿doc工业革命英语演讲稿篇一：工业革命演讲稿Revolution first began in the textile industry, and textile industry gets the main achievements. The first invention is flying shuttle in 1733, it is hand- operated machine which increased the speed of weaving. Another great invention is spinning jenny in 1875. It is h
2、ome-based machine that spun thread 8 times faster than when spun by hand.In 1856, sewing machine make the speed of sewing greatly increased.They are flying shuttle and spinning jenny. The three achievements in transportation are steamboat, macadamized and locomotive. 篇二：关于美国二战的英语演讲稿world war 2brief
3、introduce:as we all know ,world war 2,was a global military conflict ,lasting from 1939to 1945. today , l d like to give you a brief introduce about this war.world war 2 involved most of the country at that time , including all of the greatpowers, and it divided into 2 opposing military organization
4、 :the axis and the allies.now, let s look at picture , the allies mainly contains : america, the sovietunion , britain and china , the axis contains : german , italy , japan and so on .then ,lets know about the leaders of mainly country during the war.1.adolf hitler: the core characters in germany o
5、f world war 2.in 1939,he againstpoland which launched the second world war4. roosevelt：，although he is the disabled person , he is still the greatest leaderof usa who sparked the fire of the whole country with one heart new spirit. note1： the versailles treaty was regarded as the fuse of the war.not
6、e2:nazi ,this name is full of attractive， but in fact ,it is the symbol of evil . reason:the outbreak of war had lots of cau(本文来自：WwW.xiaOCaofAnweN.Com 小草范文 网:工业革命英语演讲稿)ses , but as far as im concerned , the mostimportant reasons are that. in a word, due to the seriously economic crisis , theaxis we
7、nt to the way of fascist. they tried their whole country power and resourcesto develop the arms and to prepare for expansion. in the meantime ,the axis were not satisfied with the versailles treaty and theyall wanted to control the whole world. while ,unfortunately ,the allies faced to theambitions
8、of the axis negatively and they were busy developing the economic . so ,afterthat ,the world war 2 broke out.process:ineuro.in september,1939,germany launched a lightening attack on poland which ledbritain and france declared war on germany 2 days later. after that , germanycaptured france and some
9、other small western european countries. then ,on 1941.6.22, germany opening of the second front and attack the ussr.1. leningrad defence :in the north, the northern army group surrounded the leningrad ,it wasthe symbol of the culture in the soviet . despite great suffering, however, thepeople of len
10、ingrad refused to surrender. when food ran out, people died fromhunger and disease. finally ,the red army broke the three-year siege of leningradon january 15, 1944. this war is the bloodiest battles in the history of warfare.2.the battle of moscow :moscow is the capital of the union of soviet socia
11、list republics (ussr) and itis also the largest soviet city. moscow was regarded as the political center ,so stalinordered that all the red army soldiers should never step back. this battle lastedfor about 6 month, and ended with the victory of ussr in 1942.01.07.3.the battle of stalingrad ： by the
12、summer of 1942. in the south, the southern army group pushed east tostalingrad, a great industrial city, it was the economic centre of the soviet .thiswar was a major battle of world war ii . during this battle, the soviet given thegermany army a heavy blow .afterwards, the german can never leaded o
13、ff an attack.so its the turning points of the war. in asian.japan attacked to pearl harbor in 1941,12,7.then america joined the war. the battle of songhu ：in the asian battlefield .china played a very importantrole .she suffered from the main attack of japan, and she also made great sacrificeto anti
14、 fascist. class2the turning points. 石张磊 7号normandy landings : in 1944, the second european front was opened, britain andthe us landed on the beaches of normandy. it means germany will trend to failure innear future. finally battles. after the allies occupied berlin, in 1945,5,8. germanysurrendered.
15、on august,1945 , the us dropped 2 atom bombs on japan ,finally ,japanesesurrendered .the world war 2 came to the end. my thought: in my humble opinion ,despite the non ，just to be honest ,thegermany army was the most powerful forces in that time .but adolf hitler had made3 unforgivable mistakes whic
16、h let germany went to fail. first ,he didnt try his best to beat britain , so he forced to fight on two frontswhich let germany spent more resources . second ,he didnt overcame the leninziegler ,so germany army couldnt success to meet with finland, the country wasattacked by the soviet in 1939, and
17、the powerful northern army group couldnt go tosouth to surround the soviet army .finally ,the most important point is that hitleradopted a policy of genocide .due to that reason , many enemy was forced to do lifeand death struggle ,though they were reluctant and hate to fight.result:tag:thank you fo
18、r listening.篇二：专业英语演讲稿(stealth material) stealth material introduction chapter1：good afternoon everyone! today, i will give you a presentation aboutthe stealth material.chapter2：firstly, lets look at a group of pictures. it is a piece of invisibilitycloak, which we can wear it from being seen by oth
19、ers. maybe everyone of us all wantto have a trying of the amazing thing.chapter3：looking at the pictures, how wonderful they are! this is the stealthmaterial that i want to introduce to you today.增加攻击性，获得最直接的军事效益。因此，它在飞机、主战坦克、舰船、箭弹上应用，将成为国防高技术的重要组成部分。) chapter6：next, this is the classification of st
20、ealth material. according to theapplication of stealth material can be divided into stealth coating material(隐身涂层材料) and stealth structure materials(隐身结构材料) 。also，it can be classifiedas laser stealth（激光隐身）、sound（声）、radar（雷达）、infrared（红外）、visible light（可见光）according to the spectrum（频谱） of stealth mat
21、erial。chapter7：today, we focus on several principles of stealth material. first ofall, we learn about radar absorbing materials.the working principle of the radar canclassified as reflection, transmission and absorption .refle- cting is that radarusing the reflection wave to detect the object (雷达利用波
22、的反射来探测物体).but, howto make waves do not return back? -absorbed the incident wave (把入射的波吸收掉).chapter8：then,its stealth features require him able to absorb or through theradar wave, decrease as far as possible to detect the reflected wave. the radar stealthmaterial is given priority to with absorbing m
23、aterial. according to the application of stealth material can be divided into stealthcoating material(隐身涂层材料) and stealth structure materials(隐身结构材料)。 chapter9：lets introduce the coating absorbing materials，firstly, type coatingabsorbing material is on the target surface coated with a layer or 涂敷型吸波
24、材料是在目标表面涂覆了一层或多层吸波材料，因此对它的承载性没有特殊要求。这种材料使用起来方便快捷，在军用飞机、坦克、军舰上都有很广泛的应用。 组成：基体材料、吸波剂（最关键）以及其它一些助剂组成。 按照吸波剂的化学成分可分为无机吸波剂（铁氧体、金属以及陶瓷），有机高分子吸波剂（导电高聚物和视黄基席夫碱），手性吸波剂和智能吸波剂。chapter10：another type of stealth material is structural absorbing materials(结构型吸波材料) .firstly, a kind of multi-functional一种多功能复合材料，具有承
25、载和雷达隐身的双重功能。 由于需要承载，因此对这种材料的要求非常高。 组成：基体材料（承载）和吸波剂复合。基体材料主要是高分子类的一些材料 实际应用：洛克威尔国际公司用石墨环氧复合材料和由玻璃布蒙皮、石墨、炭黑、橡胶等组成的吸收层和蜂窝结构制造了f-117飞机的整套罩和进气口唇部等。 chapter11：infrared stealth materials(红外隐身材料),the working principle ofinfrared stealth materials is using the target from the infrared to find, identifyand tr
26、ack the target.usually background temperature is low, less radiation energy.利用目标发出的红外线来发现、识别和跟踪目标。 通常背景的温度较低，辐射能量较小 chapter12：now, we learn about laser stealth material. in infrared wave,especially in the near infrared wave has strong absorption ability or shielding effect,make the difference of tar
27、get and environment. by reducing the targets emissivityand temperature to achieve infrared stealth. 隐身要求：对红外波,特别是近红外波有强吸收能力或屏蔽作用,使目标与环境的差别小。通过降低目标的发射率或温度来达到红外隐身目的。the working principle of the radar can classified aslaser stealth process is similar with the process of radar stealth, main is toreduce
28、reflection coefficient on the surface of the target, reduce the echo powerof the laser detector. in addition, also can be used on engineering transmission material, lightmaterial, photochromic material, variable polarization, etc.激光也可作为雷达使用，常被称为激光雷达。与普通微波雷达相比，具有更高的分辨力、抗干扰能力和隐蔽性。激光隐身过程与雷达隐身过程相类似，主要是降
29、低目标表面的反射系数，减小激光探测器的回波功率。激光吸收染料，包括菁类染料、钛菁类染料、金属络合物染料、游离基型染料、芳甲烷型染料等。此外，工程上还可采用透射材料、导光材料、光致变色材料、变偏振材料等。 chapter14：the application of stealth materials-military science。隐身材料的应用during world war ii: mosquito bomber (first) in the late 1950 s, the representative is americas u - 2 reconnaissance aircraftin
30、 the 1960 s, with the lockheed design of sr - 71 blackbird is most typical.二战期间：蚊式轰炸机（最早）20世纪50年代末，代表就是美国的 u -2侦察机20世纪60年代，以美国洛克希德公司设计的sr - 71黑鸟最为典型。10年后，代表洛克希德的f -117a 隐形战斗机和诺斯罗普公司的b- 2a 隐形轰炸机。chapter18：the application of stealth materials -for civil use 可建隐形罩以避免障碍物阻挡手机信号可在炼油厂上建一个隐形罩，使它不影响海边的美丽风景。医
31、生手术戴隐形手套，手会变得透明，不会挡住需要手术的部位篇三：二战后英美对比英语论文(内容为英语)摘 要实力的消长，国家的兴衰不可避免，国际关系的格局和中心舞台也就随之改变。二战后，西欧国家百废待兴。法西斯德国、日本成为战败国，法国和英国受到严重削弱，欧洲的政治中心地位基本丧失。美国大发战争横财，经济、军事实力膨胀，成为资本主义世界的头号强国，资本主义世界由“英国时代”走进“美国世纪”。关键词：英国 美国 崛起 工业革命 二战 霸权主义 abstractkey words: american, britain, rise, the industrial revolution,world warii,hegemonism 1 the main topic of the thesis before the world war ii ,world hegemony has belonged to the britain ,but afterthe world war ii, the british world domination was replaced by the united states,
