半世纪的

Since 1969 when the first computer network ARPA was established, the network has been in the world for nearly half a century, but it was in 1990s' that it really started to be part of the people's daily life, and till in late 1990s', it attracted the theorists' attentions.

从1969年全球第一个计算机网络ARPA网建立起，互联网已存在近半个世纪，但真正成为人们日常生活的一部分，是在20世纪90年代，且直到90年代中期以后才被理论界所关注。

Art Nouveau architectural style: the second half of the 19th century to the mid-20th century architectural styles.

新艺术派建筑风格：19世纪后半叶至20世纪中叶的建筑风格。

The results showed that temperature and precipitation had significantly increased in the drainage basin in the mid-1980s. Climate was the warmest in the 1990s among the recent 50 years.

结果表明：流域气温和降水均在20世纪80年代中期发生了跳跃式的突变，且自20世纪80年代中期以来气温和降水均保持较高的增长趋势，90年代成为近半个世纪以来最温暖的10a。

The pluralizing of minoritarian literature and its poetics is one of the most important features in American postmodernism.

后现代派小说是二十世纪美国文学的主要体裁。它不仅在二十世纪后半叶美国文学史上占有突出的地位，而且影响了美国少数民族文学，如黑人文学、犹太文学和亚裔文学等。

That Greg Thomson was famous for his language learning works about half a century ago is ture in the history of English teaching and that Lo Woo overnight gained fame with his post by translating Greg Thomson's academic works into Chinese on Tianya By-talk one hundred per cent century ago is equally true.

Greg Thomson 半个世纪前写出语言学习方法原理而名扬英语教学史册，这倒是真的，而漏屋百分之一世纪前因翻译其巨著理论在天涯英语杂谈上名声鹊起，这也是真实的。

Heaven the foot hot tile just with the three-stringed piano moving musical sound;drove from the yellow river aroused a more rising big wave voice and ten thousand precinct chief, river, the ship work number son voice of the male hun;the absolute being state no.5 cosmos airship that embarked from yang li wei of aerospace hero roamed about at pleasure to drive in the good news of space;blue print and country that developed from reform in the city wealthy civilization fantasy drove in the song.hence, i see the spring breeze blow into a hundred million happy doors and windows, heard"the story in spring" resounding through china the earth.the broad sea jiang flies fast heroic war boat, western backland again teng rise hurtle the rocket in sky.it was glorious in the boundless process of half several centuries, there is frustrate.the chinese of diligence braveness leader in 3 and under the party central leadership, unity of will is a formidable force, overcome all difficulties, with tremendous passionate devotion economic development of"develop china, strengthen my national prestige".history tells us and tells future, deng xiaoping's construction contains the socialism theories of chinese special feature and is like the rich brocade future prospects that the lighthouse illuminates a motherland, the party is central the jian being leading people of the whole country effort go "three representatives"s, with accompany into, constuct middle-class family completely society, head for fine future.

于是，我看到春风吹进亿万扇幸福的门窗，听到了&春天的故事&响彻华夏大地。辽阔的海疆飞驶英雄的战艇，西部边陲又腾起冲天的火箭。漫漫半个多世纪的历程中有过辉煌，有过挫折。勤劳勇敢的中国人在三代领少得离谱，还以为是瘪了的干果。我甚至以为，沉闷空气中动物和植物都是些小小干果。住在楼的四层，对面是一幢同样九层导人和党中央领少得离谱，还以为是瘪了的干果。我甚至以为，沉闷空气中动物和植物都是些小小干果。住在楼的四层，对面是一幢同样九层导下，众志成城，排除万难，以极大的热情投入&振兴中华，壮我国威&的经济建设。历史告诉我们，告诉未来，邓去南京工作了，楼上则是她一个人照看两个孙女的地方。本分工作外，我有个习惯——收集容器，这非职业习惯，而是生活习小追逐着雨滴，落在我阳台盆栽的榕树叶上，叶子颤动，枝丫摇晃，但还是支撑不住这重量。风从东面吹来，雨水砸在窗口上的平建设有中国特色的社会主义理论，像灯塔照亮祖国的锦绣前程，党中央正带领全国人民努力践行&三却又警觉的问我租这处干什么。还能干什么，我是当地民间工艺品厂的业务员，我的职业是积极地在城中寻找合适的商家推介个扎着开出了红色小花，因为隔着远，没看清楚是什么花。雨滴追逐着雨滴，落在我阳台盆栽的榕树叶上，叶子颤动，枝丫摇晃代表&，与时俱进，全面建设小中国教育总网文档频道康社会，走向美好未来。

Heaven the foot hot tile just with the three-stringed piano moving musical sound;drove from the yellow river aroused a more rising big wave voice and ten thousand precinct chief, river, the ship work number son voice of the male hun;the absolute being state no.5 cosmos airship that embarked from yang li wei of aerospace hero roamed about at pleasure to drive in the good news of space;blue print and country that developed from reform in the city wealthy civilization fantasy drove in the song.hence, i see the spring breeze blow into a hundred million happy doors and windows, heard"the story in spring" resounding through china the earth.the broad sea jiang flies fast heroic war boat, western backland again teng rise hurtle the rocket in sky.it was glorious in the boundless process of half several centuries, there is frustrate.the chinese of diligence braveness leader in 3 and under the party central leadership, unity of will is a formidable force, overcome all difficulties, with tremendous passionate devotion economic development of"develop china, strengthen my national prestige".history tells us and tells future, deng xiaoping's construction contains the socialism theories of chinese special feature and is like the rich brocade future prospects that the lighthouse illuminates a motherland, the party is central the jian being leading people of the whole country effort go "three representatives"s, with accompany into, constuct middle-class family completely society, head for fine future.

于是，我看到春风吹进亿万扇幸福的门窗，听到了&春天的故事&响彻华夏大地。辽阔的海疆飞驶英雄的战艇，西部边陲又腾起冲天的火箭。漫漫半个多世纪的历程中有过辉煌，有过挫折。勤劳勇敢的中国人在三代领导人和党中央领导下，众志成城，排除万难，以极大的热情投入&振兴中华，壮我国威&的经济建设。历史告诉我们，告诉未来，邓小平建设有中国特色的社会主义理论，像灯塔照亮祖国的锦绣前程，党中央正带领全国人民努力践行&三个代表&，与时俱进，全面建设小中国教育总网文档频道康社会，走向美好未来。

No two islands were alike in the systems and nature of their defensive emplacements, and local improvization and command preferences affected both materials used and defensive models.

二战期间太平洋战场上争夺那些被日本侵略军盘踞的岛屿的那些持久而又血腥的战斗是20世纪世界战争的一个新特点，没有任何两个岛屿的防御工事在其系统和自然位置等方面是相似的，在战争中的改进与指挥水平也影响了器材的选用以及防御模式……等等的这些都向读者详细说明了日本军队各种临时性与半永久性的重武器工事、班排级掩体、单兵掩体之间的组织关系、建筑之间的关系、效率的发挥等内容。

The modern system of agriculture, which depends on the consumption of large quantities of fossil fuel, will be forced to change to a system where the interactions between organisms and environment and matter cycling are properly used for 3 reasons: 1 the depletion of readily available fossil fuel resources, 2 the level-off of the growth and yield response of crops with the increase in the use of fertilizer, agrochemicals and big machinery, and 3 the degradation of the environment along with the consumption of fossil fuel and its derived agrochemicals.

目前，现代化的农业生产系统建立在大量燃料的消耗上，虽然西方发达国家在近半个世纪的发展过程已经证明这是一种见效快、经济产值高的生产方式，但是随着在世界范围内可持续发展观念的日趋重视，这种生产方式的弊端也逐渐地受到人们的注意。1原有农业生产方式需要消耗大量的燃料资源；2虽然肥料、农药和大型机械的应用不断提高，但近几年农作物的生产和产量表现出停滞状态；3燃料及其副产品的不断使用导致环境逐渐退化。

The late seventeenth and eighteenth century is the great period of Camp: Pope, Congreve, Walpole, but not Swift;...the rococo churches of Munich; Pergolesi.

十七世纪后半叶和十八世纪造作盛极一时，蒲柏、康格里夫、沃波尔、但没有斯威夫特；……慕尼黑的洛可可风格的教堂；帕尔格莱西。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！