英汉双语例句-生物医药大词典

Three new ferrocenylmethyl-substituted indenes and cyclopentadienes were synthesized by the addition of hydrogen anion and carbon anion to fulvene and benzofulvene respectively, moreover, their structures were characterized by NMR and MS.

中文意思：
摘要本文以二茂铁基富烯和二茂铁基苯并富烯为前体，通过负氢和负碳对双键的加成，合成了3个新型的二茂铁基甲基取代的茚及环戊二烯，并对其结构进行了核磁及质谱表征。

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	Three months later, he developed optic neuritis with subacute painless vision loss in both eyes.			三个月后，他发展为视神经炎，双眼视力亚急性，无痛性下降。
	Three months renewable contracts are offered with accident insurance and other awards.			三个月可延续合同以及人身意外保险及其它奖励。
	Three months went by before Aiqao knew it.			阿巧在不知不觉间过去了三个月。
	Three new algorithms of bi-level integrated system synthesis,analytical target cascading and subspace autonomous optimization for multidisciplinary design optimization were summarized.Their basic ideas and architectures were discussed in detail,and their			归纳和评述了二级集成系统综合法、分级目标传递法和子空间自主式优化方法3类基于系统分解的新算法及其改进算法,阐述了3种算法的基本思想、结构体系及其特点,讨论了它们对优化对象的适应性,并从分解标准、级数、收敛性和代理模型等方面对它们进行了比较。
	Three new asymmetric bis-Schiff bases containing thiocarbohydrazide were synthesized by the reaction of thiocarbohydrazide with ketone and different aldehydes step by step.			通过二氨基硫脲与酮或不同的醛进行分步反应，合成了3种未见报道的不对称双席夫碱。
	Three new ferrocenylmethyl-substituted indenes and cyclopentadienes were synthesized by the addition of hydrogen anion and carbon anion to fulvene and benzofulvene respectively, moreover, their structures were characterized by NMR and MS.			摘要本文以二茂铁基富烯和二茂铁基苯并富烯为前体，通过负氢和负碳对双键的加成，合成了3个新型的二茂铁基甲基取代的茚及环戊二烯，并对其结构进行了核磁及质谱表征。
	Three new measures will be launched on April 1 to improve roadside air quality.			三项减少车辆排放量的新措施将于四月一日起生效，以改善路边空气质素。
	Three new vaccines were approved this year, one of them the world's first to prevent cervical cancer.			今年有3种新疫苗已获批准，其中一种即为世界第一个子宫颈癌预防疫苗。
	Three o'clock is always too late or too early for anything you want to do.			下午三点钟了，做什么事情不是觉得太早，就是太晚了。
	Three of 'em! Lordy, Tom, we're goners! Can you pray?			我的老天爷呀，一共有三个！汤姆，我们死定了！你还能祷告吗？”
	Three of 68 patients had not shown any obstructive pathological lesions.			仍有3例未能显示出肝外胆管梗阻病变。