性选择的

The large variety in Fl hybrid occured.The phenomena that overparent individuals of some characters in lower color.plant height,flower diameter and flower doubleness emerging are beneficial to the choice of chrysanthemum breeding.

杂交后代的性状出现了广泛的分离，花色、株高、花径、重瓣性等性状都有超亲遗传的现象，有利于菊花育种的选择。

In the design of drip irrigation system, reasonable dripper discharge should be chosen and irrigation water should be supplied in order to make soil reach the designed moisture uniformity; the moisture uniformity of soil along the drip irrigation pipe should be controlled mainly.

文中提出了应用于工程设计中的滴头流量设计模式应满足的要求。在滴灌系统设计中，要使土壤达到设计的湿润均匀度就应选择合理的滴头流量，并设计出合理的灌水量，而且应主要控制沿滴灌管方向的土壤湿润均匀性。

According to these computated results, the correct experiment values of electron affinity can be chosen from the values of electron affinity which are measured by various experimental methods.

通过计算说明了电子亲合力与诱导效应的定量相关比电负性与诱导效应的定量相关好得多；并应用其定量关系式预测尚未实测到的取代基的电子亲合力值；根据计算结果，可从不同实验方法测得的电子亲合力值中选择正确的实验值。

The heterologous protein fragments are so-called CTL epitope, which is the linear fragment or the space conformation structure recognized specifically by immune cell and plays a key role in CTLs activation. It is the elementary event of inducing immune responses and it decides CTL specific cytotoxic effects, therefore, selection of antigen epitope makes the pivotal step to identification of specific antibodies.

抗原肽是抗原中能被免疫细胞特异性识别的线性片段或空间构象性结构，是引起免疫应答和免疫反应的基本单位，在机体免疫中发挥关键的作用，抗原表位的选择也是能否获得特异性抗体的关键。

At the same time, by applying the continuous selection theorem and fixed point ...

同时，我们利用集值映像的连续选择定理和不动点定理，在拓扑矢量空间中建立了一类关于集值映像的拟平衡问题和广义拟平衡问题的平衡点的存在性定理，推广了某些相应的结果。

This kind of choice imbeds the method of the watermark data position, making use of the picture well the characteristics of the high information of frequency and the sense of vision characteristic of the person, be advantageous to watermark"s can"t see the sex and flimsiness.

这种选择嵌入水印数据位置的方法，充分利用了图像中高频信息本身的特点和人的视觉特性，有利于水印的不可见性和脆弱性。

Based on the different permeability of DNA-intercalant dyes YO-PRO-1 and propidium iodide to the membrane of viable, apoptotic and necrotic cells, cell samples were stained with 4μmol/L YP and 4μg/ml PI for 10 min, and the fluorescence intensity of both YP and PI were measured by fluorometer at Ex/Em wavelength of 485/538nm and 530/590nm, respectively.

根据正常细胞、凋亡细胞和坏死细胞的细胞膜对核酸荧光染料的不同选择通透性，用4μmol/LYO-PRO-1和4μg/ml碘化丙啶(Propidiumiodide，PI)染色96孔板中的细胞样品。分别在485/538和530/590的检测波长下借助荧光分光光度计检测细胞样品孔的YP和PI荧光强度。

The results show that due to the effect of laser beam quality on focal beam waist radius,focal angle and focal length,laser beam quality decides the beam focusing ability and the processing capacity of laser system.

结果表明，光束质量对聚焦光束的焦斑、聚焦角和焦深的影响不仅体现了激光源的可聚焦性，而且也标志了激光源的可加工能力，这是聚焦系统和焦点位置在选择过程中应该考虑的重要因素。

Gene therapy of intervertebral disc degeneration refers to the selection of animal models and gene carriers, application of target genet, etc.

椎间盘退行性变疾病的基因治疗研究涉及到动物模型的选取、基因载体的选择、目的基因的应用等。

During the study of preparing soy-isoflavone solid dispersion tablet, disintegration time and dissolution rate of soy-isoflavone solid dispersion tablet was considered as inspection items, tempering uniformity design method was applied to optimize preparation prescription, partial least square method regression analysis was used to modeling for the data of uniformity design, the calculate results was consistent with the experiment validation results, and concluded that the optimizing prescription of soy-isoflavone solid dispersion tablet was Soy-isoflavone solid dispersion 0.18g, Amylum Pregelatinisatum 0.26g, CMSNa 0.03g, Gum Acacia 0.03g.

大豆异黄酮固体分散体片的制备研究中，由于大豆异黄酮固体分散体中的pvpk30含量较大，pvpk30本身的水溶性较好，不利于湿法制粒，且pvpk30是优良的干燥黏合剂，从而选择了全粉末直接压片法制备。

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。