性选择的

According to the basic principle of hypothesis testing,three kinds of one sided hypothesis testing with the same reject region at the same significant level α are given and how to choose primary hypothesis and alternative hypothesis at the actual application and correlation are also pointed out.

根据假设检验的基本原理，给出 3种单侧假设检验在相同的显著性水平下具有相同的拒绝域，并指出在实际应用中如何选择原假设和备择假设及其相互关系。

The referential establishment in conversation is underlined by a variety of factors such as the accessibility features of the referent, conversational structure, anaphoric repair , and so on.

会话篇章中指称词语的选择是所指实体的可及性特征、会话结构、照应修正等多种因素共同驱动的结果。

An empirical example is provided to illustrate the method and finds that besides economic incentives there are other considerable factors, such as comfort and convenience, affecting a bicycler mode choice behavior.

文章通过调查数据检验了这两种方法的可行性与效果，并通过实例分析发现在一定距离内除出行时耗、花费外，出行的舒适性与便利性等对自行车出行者的交通方式选择也有重要影响。

He was not only make the best of the materials during his explaining classics, but also selected and classified some of the materials. He finally edited the famous bookmaking, Qun Jing Yin Bian, which became the first nonesuch literature specialized in explaining the derivation by phonetic change in Chinese traditional philology history.

他不但在讲解经书的过程中充分利用，而且还精心选择其中的异读材料，分门别类地加以整理，最终编成《群经音辨》一书，成为中国古代语言学史上第一部专门辨析音变构词类别义异读的典范性著作。

An important method of graphical model selection is to use scoring criteria to measure how well the graph structures fit the data. We present seven operators which can be applied to representations-largest chain graphs of equivalence classes.

由观察数据学习链图的结果仍然是一个等价类，当采用具有得分等价性的得分原则时，最好选择链图等价类空间作为搜索空间，这样可以避免对等价的链图重复得分。

We give a group of circular filter functions, use genetic algorithm to select the frequency band of larger divisibility value, and design the expression of chromosome and the solution of fitness.

给出了一组圆形滤波函数，并使用遗传算法来选择可分性较大的频段，设计了染色体的表示方式和适应度的求法。

The public choice theory holds the view that the selfinterest of government is the important reason for government failure.

公共选择理论指出，政府的自利性是造成政府失灵的重要原因。

Cervical factor infertility is suggested when welltimed PCTs are consistently abnormal in the presence of a normal semen analysis.

如果时间选择合适的性交后试验持续异常而精液分析正常时就要考虑宫颈因素引起的不孕。

Free radicals might be related to the pathogenesis of degenerative joint disease. Whether selecting selenium to reverse the cartilage damage by free radicals needs further study on animal experiment.

自由基可能和退形性关节疾病病因有关，是否选择微量元素硒预防及治疗自由基引起的软骨损伤需动物实验的进一步研究。

The RRD eyes with macular detachment must be operated on as soon as possible and heavy cryotherapy should be avoided.

对伴有黄斑脱离的孔源性视网膜脱离眼应尽快手术，选择适当的手术方式并避免过度冷凝。

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。