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A Cox Regression model for recurrent event data was used for the analysis of maternal and paternal socio-demographic characteristics in relation to birth intervals. The risks of shorter birth intervals were expressed as hazard ratios .

利用分析重覆事件的考克斯模型探讨双亲社会人口学特徵对出生间隔的影响，解释变项的效果以风险比及相关的95%信赖区间表示。

The flow parameters such as the adhesion-wall effect of jet, penetration proportionlity of jet, momentum ratio, Reynold's number and incorporation time, which affect the mixing quality were analysed.

探讨了射流的流动状态如射流的附壁效应、穿透率、动量比及雷诺数等对混合的影响，并对混合时间进行了分析。

And the effect of the friction of the interface between the pressure bar and specimen and slenderness ratio of specimen on stress uniformity in specimen were discussed.

讨论了试件的长径比及试件与压杆之间的界面摩擦力对试件内部应力均匀性和对试件材料动态屈服应力的影响。

The sulfuric acid leaching process of tailings by using microwave was studied in this paper.

通过尾矿砂微波加热硫酸溶解新方法的实验，研究了硫酸浓度、液固比及反应时间等因素对尾矿砂酸蚀率的影响。

When operated at 5 kPa gas pressured and CO2:N2:He=1:17:2 mixing ratio, the output of this laser was 225 W with 8% wall plug efficiency.

此激光器以CO2：N2：He=1：17：2的混合气比及5 kPa的氧压操作，输出225 W功率时能量转换效率8%。

After getting the hang of differentiation of these sounds, you can proceed to a next step, whelloch is understanding and practising the Japanese word accent and sentence intonation, as it will help you with speaking and understanding spoken Japanese with confidence.

比及熟悉这些个声响，分解，你可以进行下一个步调，它是理解和实践日语口音和句子的语调，因为它会帮忙你措辞的信心与***的理解和白话

Objective:To approach splenic asthenia proportion in asthma acute stage and the characteristic of symptom-complex of splenic asthenia in order to provide reference evidence for clinic practice.

目的：探讨脾虚在哮病急性期各证型中的构成比及脾虚的中医证候学特点，为临床治疗提供一定参考依据。

In this study,the preparation process conditions of microcapsule used for carbonless paper from chitosan were studied.

对壳聚糖制备无碳复写纸用微囊的工艺条件、工艺路线进行了初步研究，确定了最佳乳化条件、芯壁比及固膜剂，并对成品微囊的应用性能进行了检测。

In seismic data processing, people generally deem that signal/noise ratio im-provement and resolution improvement are very contradictious each other.

引言在地球物理数据处理中，提高地震记录的信噪比及分辨率是两大主要手段。

The influences of the concentration and generation of polyamidoamine dendrimer, the ratio of dodecanoic acid to toluene, and pH in the water phase on the extraction yield of helianthine were systematically studied by selecting helianthine as the guest molecule and electrostatic self-assembled PAMAM as the host.

本文采用低支化树枝状大分子聚酰胺胺与月桂酸进行分子自组装得到了一系列具有稠密的疏水性外围和亲水性内核的自组装大分子，再以自组装大分子为宿主，系统地研究了树枝状大分子聚酰胺胺的浓度、支化代、月桂酸与甲苯的质量比及水相pH值对客体分子甲基橙相转移行为的影响规律。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。