性选择的

In the end, according to the experience of success in the Cavendish Laboratory, we indicate three important points about development of science in present economic situation of China, which are elitists, the choice of subjects and research environment and give some opinions about them.

最后，根据卡文迪什实验室成功的经验，就我国现有经济条件下发展科学研究的三个重要方面——人才、课题选择和科研环境，提出了探讨性的意见。

However, enough attention should be paid to several problems during the flour fortification, such as the optimum form of nutritional fortifiers to be selected, the compatibility between certain ingredients and the uniformity of added nutritional fortifiers.

在我国进行面粉营养强化应注意几个问题，例如营养强化剂最佳形态的选择、某些营养素之间的拮抗问题以及添加的均匀性问题。

A few games may choose to start their game play during the fourth act when the story is already fully going, but with some careful planning it should be possible to get the player into the story from the first act.

少数游戏选择在第四幕当他们的故事已经完全展现时开始他们的游戏性，但是有些仔细的构思可能会在第一幕就让玩家进入游戏。

In order to explore the surgical techniques of keratoplasty performed in pets and to find out therelevant complications and solutions of the surgery, a total of 11 dogs, including Shih Tzu(6),Pekingese (3) and small type of mongrels (2), with ages from 6 to 12 months and weights from4.0 to 6.5Kg were used for experimental penetrating keratoplasty.

为探索在小动物临床开展角膜移植的术式，探讨影响手术成功率的相关因素及其控制方法，选择11只年龄在6～12月、体重为4.0～6.5 Kg的西施犬、北京犬或小型杂交犬，进行穿透性角膜移植实验。

Through the description of the principles of estabeishing the regress-ion analysis model,carrying out the terts of significance and choosing theoptimal regression equation ,the correlative equation between human biolo-gical age and phybiological parameters has been derived and proved in thispaper.

通过建立回归分析模型、进行显著性检验、选择最优回归方程等过程的原理，找出并论证了人的生理年龄同血压和各种脉图之间的相互联系。

To test their hypothesis, the authors chose well-characterized in itro and in io models.

为了验证他们的假设，作者选择了特征性的离体和在体的模型。

Monte Carlo simulation has been done to study the effects of longterm artificial selection on genetic variances under additive,dominant,and over-dominant models.

本文给出了显性与超显性模型下加性方差的分剖公式，为研究选择作用下基因间关系的变化提供了有力的方法。

Microstructure and property of electrospun regenerated silk fibroin /gelatin nanofibers;2. Regenerated silk fibroin membrane was prepared by using waste silk at room temperature.

采用桑蚕废丝制作再生丝素室温干燥膜，并以不同质量比例与水溶性胶原蛋白混合，溶解于质量分数为98%的甲酸中制得不同质量分数的纺丝液，选择一定的工艺参数进行静电纺丝。

2 Surfacing materials and welding equipment selection According to the working conditions of valve, valve plate oriented shroud must ensure that sufficient high temperature strength, but also satisfy some wear resistance.

1.2堆焊材料和焊接设备的选择根据调节阀的工作条件，阀碟导向凸肩既要保证有足够高温强度，又要满足一定的耐磨性。

By side-stepping the genocidal explanations that underlie the classical theory of group selection, Dr Dunbar thinks he has come up with an explanation that accounts for music's socially binding qualities without stretching the limits of evolutionary theory.

避开群体选择经典理论的种族灭绝解释后Dunbar博士认为他获得了一个能够来即能解释为什么音乐的社会团结性又能不违背进化理论的一个解释。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。