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propagation

英 [,prɒpə'ɡeɪʃən] 美[,prɑpə'geʃən]

英英释义考试真题实用场景例句

n. 传播；繁殖；增殖

实用场景例句

If a plant has spotted or crinkled leaves, do not use it for propagation.: 如果植物的叶子有斑点或者萎缩，就不要用来繁殖。

Rose propagation has a long and rich history.: 玫瑰繁殖有着悠久的历史。

Such rootstocks or cultivars were reproduced true to type by vegetative propagation.: 这些钻木和品种,通过无性繁殖长成和亲本一样的类型.

It is the reverse of the propagation step in addition polymerization.: 这一过程是加聚反应历程中链增长步序的逆过程.

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.

So far we have described the propagation of alternating magnetic fields.: 至此我们讨论了交变磁场的传播.

Crack propagation usually begins slowly.: 裂纹的增长常常是开始缓慢.

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.

Clonal propagation can also give some large gains in a relatively short time.: 繁殖无性系也可以在较短期间内提供较大的增益.

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.

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.

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.

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.

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.

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.