英语词汇LD50怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	LD50
释义	LD50 简明释义 n．半数致死剂量：用于评估化学物质毒性的指标，指导致50%受试生物死亡的物质剂量。网络释义 1 ?半数致死量半数致死量短语 1 LD 50 Lethal Dose 致命LD 2 ld 50 estimation ld估计 3 LD 50 acute derma 急性皮用致死量双语例句 1 About 50% of plants in SD13d-LD treatment reversed from reproductive development to vegetative growth, and other plants in this treatment bore short terminal racemes. 经13 d短日照处理后移至长日照下，约50%的植株发生开花逆转，另外50%的植株形成短的顶端花序；
随便看	principal fuel supply principal function principal function symbol principal generating rule principal genus principal girl principal glacial age principal glide system principal goods principal group principal guaranteed fund principal half-space principal homogeneous space principal horizontal line principal horizontal plane principal horizontal stress principal host principal H plane principal h-plane principal hydrolysis principal hydrometric station principali principalia principal idea principal ideal

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。