性选择的

Vitamin C and E supplementation initiated in the 9th to 16th week of pregnancy in an unselected cohort of low-risk, nulliparous women did not reduce the rate of adverse maternal or perinatal outcomes related to pregnancy-associated hypertension

在1个未经选择的低危、未经产妇女队列中，在妊娠9~16周时开始补充维生素C和维生素E，没有降低与妊娠性高血压相关的母亲或围生期不良转归的发生率。

In the current internationalsociety non-crime, under the non- penalty tidal current, the Chinesesociety''scrime both needs to look after the social reality, and must complywiththe international tendency, enable it to have the right, is anidea constructsthe construction and the way choice process.

在当前国际社会非犯罪化、非刑罚化的潮流下，中国社会的犯罪化既要关照社会现实，又要顺应国际趋势，使其具有正当性，是一个观念建构和路径选择的过程。

Due to high-quality requirements of scientific exploration well,long open-hole,long coring footage,and frequently changing lithology,the length of inner tube shoe was increased,the surface slippy degree between core catcher and inner tube sh...

针对科学探井对岩心质量要求高及该井裸眼井段长、取心进尺长、地层岩性变化频繁、取心施工难度较大等问题，采取加长刻刀座轴向长度，增加岩心爪与刻刀座表面光滑度，优选取心钻头，调整钻井液性能和选择配伍性好的钻头与刻刀座、合理的钻进参数等措施，保证了定向取心收获率，取心累计进尺103.66 m，收获率99.85%，为科学研究提供了可靠的岩心资料。

This is our lightest Hydrating Cream and fits into the Aesop range between Primrose Facial Hydrating Cream and Oil Free Facial Hydrating Serum. It is perfect for combination skins, summer time use, or night time use on oilier skin types.

Aesop产品中最清爽的保湿面霜，滋润度介乎于樱草保湿面霜及无油保湿精华露之间，是混合性肌肤的最佳选择，也适合拥有油性肌肤的人作晚霜使用。

As the necessary choice of modern cultural creation, self-conscious symbol design always emerges as a specific cultural creation activity by human dealing with the relation to the outside objective symbolic world under specific historical conditions, which is a functional transcendent activity, a programmed cultural creation activity seeking for concreteness against abstractness, and it is also a cultural creation activity with self-discipline, compatibility, and pre-examination value with the ability of self-reflection, self-criticism, self-transcendence and self-creation, therefore, it is a choice of cultural practice which is helpful for us to guide contemporary human cultural creation according to complex situations and it is also one to further control the future and development trend of our culture.

摘 要：作为现代文化创造之必然选择，自觉符号设计在具体历史条件下总是表现为人处理同外界客观符号世界关系的特定文化创造活动，它既是一种功能性超越活动，又是一种不断寻求具体、反对抽象的程式化文化创造活动，还是一种兼顾自律性、兼容性与预验性价值的文化创造活动。它具备自我反省、自我批判、自我超越、自我创造能力，有助于我们按照复杂情况来引导当代人类文化创造，更好地把握自身文化未来与发展趋势。

Finally, a thrust estimator design was applied to validate the effectiveness and feasibility of the proposed feature selection algorithm and sparse model using QR decomposition.

最后，推力估计器设计的应用实例，验证了本文提出的特征选择法和QR分解法进行稀疏性建模的可行性和实用性。

English tenses , especially past tense , is always a hot issue of the traditional grammarians .

然而关于英语过去时态的诸多用法的形成原因，特别是其选择的恰当性方面就显得无能为力。

The error rates of single molecule PCR under different conditions showed that it is essential to select different polymerases according to different experimental p...

对单分子PCR产物的错误率进行了理论分析，结果表明：根据实验目的和条件，选择忠实性不同的聚合酶是十分关键的

Methods Decorated houses within 6 months in Changchun were selected with the method of cluster radom sampling.

采用随机整群抽样的方法，在长春市选择装修6个月内的住户，监测甲醛、氨和总挥发性有机物的

Methods Decorated houses within 6 months in Changchun were selected with the method of cluster radom sampling.To examine densities of formaldehyde,ammonia,total volatile organic compounds and complete questionaire.

采用随机整群抽样的方法，在长春市选择装修6个月内的住户，监测甲醛、氨和总挥发性有机物的浓度，同时进行问卷调查。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。