propagation
英 [,pr?p?'ɡe???n]
美[,prɑp?'ge??n]
- n. 傳播；繁殖；增殖
實(shí)用場(chǎng)景例句
- If a plant has spotted or crinkled leaves, do not use it for propagation.
- 如果植物的葉子有斑點(diǎn)或者萎縮，就不要用來(lái)繁殖。
柯林斯例句
- Rose propagation has a long and rich history.
- 玫瑰繁殖有著悠久的歷史。
辭典例句
- Such rootstocks or cultivars were reproduced true to type by vegetative propagation.
- 這些鉆木和品種,通過(guò)無(wú)性繁殖長(zhǎng)成和親本一樣的類型.
辭典例句
- It is the reverse of the propagation step in addition polymerization.
- 這一過(guò)程是加聚反應(yīng)歷程中鏈增長(zhǎng)步序的逆過(guò)程.
辭典例句
- Efficient methods of vegetative propagation and improved screening techniques are also required.
- 高效率的無(wú)性繁殖法和改良的鑒定技術(shù)也屬必需.
辭典例句
- So far we have described the propagation of alternating magnetic fields.
- 至此我們討論了交變磁場(chǎng)的傳播.
辭典例句
- Crack propagation usually begins slowly.
- 裂紋的增長(zhǎng)常常是開始緩慢.
辭典例句
- We first take up the subject of optic ray propagation through a variety of optical media.
- 首先研究光束通過(guò)各種光學(xué)介質(zhì)的傳播問(wèn)題.
辭典例句
- Clonal propagation can also give some large gains in a relatively short time.
- 繁殖無(wú)性系也可以在較短期間內(nèi)提供較大的增益.
辭典例句
- Diseases spread by insects are encouraged when climatic conditions propagation of the vector.
- 當(dāng)氣候條件適于媒介昆蟲繁殖時(shí),由昆蟲傳播的疾病即行蔓延.
辭典例句
- The method is a direct simulation of the actual process of radiation propagation.
- 這種方法是輻射傳輸實(shí)際過(guò)程的直接模擬.
辭典例句
- Also, the idea of progress and its enthusiastic propagation may have some effect.
- 還有, 進(jìn)步觀念及其熱烈宣傳也會(huì)產(chǎn)生某種效果.
辭典例句
- A complete study of the propagation of shock waves in elastic solids is presently lacking.
- 關(guān)于彈性固體中沖擊波的傳播,目前還缺少全面的研究.
辭典例句
- The simplest explanation of aberration is the analogy of light propagation to the fall of raindrops.
- 對(duì)光行差的最簡(jiǎn)單的解釋,是把光的傳播同雨點(diǎn)的下落作類比.
辭典例句
- Propagation of virus in embryonating eggs was first used by Goodpasture and Woodruff in 1931.
- 1931年Goodpasture和Woodruff首次應(yīng)用雞胚培養(yǎng)病毒.
辭典例句