- 重点词汇
- ofprep. 关于;属于…的;由…制成;
- displacementn.取代，替代;免职，停职;[船] 排水量;[化]置换;
- studiedadj.有计划的;故意的;深思熟虑的;精通的;
- pilesn.痔，痔疮;桩( pile的名词复数 );一堆;绒头;摞;
- differentadj.有差别的，分别的;各种的;与众不同的;
- inprep. 在里面;在(某范围或空间内的)某一点;在(某物的形体或范围)中;在…内;在…中;进入
- andconj. 和，与;而且;于是，然后;因此;
- waven.波浪，海浪;心潮，风潮;(声、光、无线电等的)波;冲击波;涌动的人/物;挥手;(头发的)波浪卷;
- theart.这个;指已提到或易领会到的人或事物;指独一无二的、正常的或不言而喻的人或事物;用以泛指;与形容词连用，指事物或统称的人;用于姓氏的复数形式前，指家庭或夫妇;（指特定用途的事物）足够，恰好;每，一;当前的，本，此;（重读，表示所指的为知名或重要的人或事物）
- propagatingv.繁衍，增殖( propagate的现在分词 );传播，宣传，普及;
- arevi.（用于第二人称单复数现在时，第一、三人称复数现在时）是;
- strainn.压力，重负;拉力，张力;拉伤，扭伤;个性特点;品系，品种;
- 相关例句
We first take up the subject of optic ray propagation through a variety of optical media.
首先研究光束通过各种光学介质的传播问题.
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Propagation of virus in embryonating eggs was first used by Goodpasture and Woodruff in 1931.
1931年Goodpasture和Woodruff首次应用鸡胚培养病毒.
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Also, the idea of progress and its enthusiastic propagation may have some effect.
还有, 进步观念及其热烈宣传也会产生某种效果.
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The simplest explanation of aberration is the analogy of light propagation to the fall of raindrops.
对光行差的最简单的解释,是把光的传播同雨点的下落作类比.
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Diseases spread by insects are encouraged when climatic conditions propagation of the vector.
当气候条件适于媒介昆虫繁殖时,由昆虫传播的疾病即行蔓延.
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A complete study of the propagation of shock waves in elastic solids is presently lacking.
关于弹性固体中冲击波的传播,目前还缺少全面的研究.
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Efficient methods of vegetative propagation and improved screening techniques are also required.
高效率的无性繁殖法和改良的鉴定技术也属必需.
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The method is a direct simulation of the actual process of radiation propagation.
这种方法是辐射传输实际过程的直接模拟.
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Yang Yu lin was a famous bourgeois democratic revolutionist and propagator.
杨毓麟是辛亥革命时期杰出的资产阶级民主革命家、宣传家.
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Friendship knows no boundaries; therefore it is the real , true propagator of peace.
友谊无界限, 因为它是真正和平的传播者.
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The Security Descriptor Propagator has been notified of waiting propagation events.
安全描述符传播程序已经被通知要等待传播事件.
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A " vegetative propagule " is any type of vegetatively propagated tree.
“ 营养繁殖体 ” 是无性繁殖树木的任何类型.
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Crews were cautious though because propane tanks were resting on the roof.
虽然因为房顶上有装有化学炳的桶,消防队员们在工作时还是表现得小心翼翼.
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