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In the absence of effective antiemetic prophylaxis, virtually all patients will have nausea and vomiting 1 to 2 hours after receiving cisplatin-containing chemotherapy.

由于缺乏有效的抗呕吐预防措施，看起来每个接受了含顺铂的化疗病人都在1至2个小时后出现了恶心和呕吐。

When asked by his commanding officer to explain his absence from the battle of Antietam, he replied, I had no shoes.

一个掉队的士兵后来回到所属军团，司令官问他为什麼没有参加安蒂特姆之役。

Looking back, one persistent question (in itself worthy of a potentially fascinating study in international political economy) will be how the Venezuelan government has been able to convince so many people of the success of its antipoverty efforts despite the complete absence of real evidence of their effectiveness.

回顾一个永恒的问题(它本身在国际政治经济学中也有很大的潜在研究价值)，委内瑞拉政府如何能够在缺少有效证据的情况下，使那么多的民众相信它消灭贫困有多么的成功。

IEM101.an E1 Tor strain with the absence of CTXΦ naturally. has been evaluated in animal models and human volunteers and shown to be an ideal candidate. However it can not elicit antitoxic immunity.

IEM101是本室从水体分离的EVC无毒株中筛选的一株天然不含ctxAB的菌株，经动物及人体志愿者实验证实为理想的菌苗侯选株。

The presence or absence of market power has become the cornerstone of modern antitrust analysis.

市场势力的存在或丧失已经成为现代反垄断分析的基础。

We conclude that postbiopsy anuria associated with a subcapsular hematoma and acute absence of diastolic flow on doppler ultrasound should be considered pathognomonic of APK.

我们总结认为，活检后无尿合并包膜下血肿与多普勒超声检查提示急性移植肾舒张期无血流时应该考虑APK的特异病症。

Pure red cell aplasia is a haematological syndrome characterize by profound anemia and absence of erythroid precursors in the bone marrow.

纯粹红血球发育不全为血液学之症候群，其特徵为严重贫血，骨髓中缺少红血球前导细胞。

Where a Director who has been appointed to be an alternate Director is present at a meeting of the Board in the absence of his appointor such alternate Director shall have one vote in addition to his vote as Director.

凡被任命为主任曾是候补董事出席董事会会议在没有他的委任副主任应同时拥有一票投给他，作为导演。

The increase of temperature enhanced the aragonite growth rate both in the absence and presence of the magnetic field.

而在有磁场作用之下，探讨温度对文石成长速率的影响，温度从25οC上升至40οC时，亦发现温度愈高，文石成长速率愈大，。

Secondly, we conducted an in vitro experiment to simulate the growth of aragonite on nacre surface via the vapor diffusion method in the absence of any other additional additives.

其次，本文采用传统的气相扩散方法，在没有任何添加剂的溶液中，进行了珍珠质基底上CaCO_3晶体的体外沉积实验。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。