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The differentiability of the initial stresses and elastic constants of the surrounding rocks of tunnels is discussed firstly from the point of view of finite element method.

1引言 输入参数(岩体力学参数、初始应力场)和岩体本构关系不准确是岩土工程数值模拟的两个瓶颈问题[1]。

This method doesn't require differentiable function, and has the advantage of faster convergent speed, the ability of optimization within global scope and the independence between eventual optimized paramaters and initial SVM paramaters.

该方法降低了对性能函数连续且可微的要求，收敛速度快，最终优化解与支持向量机的参数初始值无关。最后，通过仿真实验表明了该方法具有更高的分类和回归准确率。

Based on initial condition, during certain time span, numerical analysis method of differential equation, algebra iteration and optimization method are used to solve response of generalized system and to analyze stability of generalized system.

从初始条件出发，在一定时间长度上，采用微分方程数值积分法、代数迭代和优化方法来求解系统响应，获得非线性广义系统稳定性的数值分析方法。

The effects of operating temperatures(15 ,25, and 35℃) and the initial sludge solubility on the overall digester performance were also examined.

同时，也研究了运行温度(15、25和35℃)和初始污泥溶解性(溶解COD与总COD比值)对消化器性能的影响。

Triglyceride content in the fat body was as high as 75% at the initial stage of pupation, but decreased gradually with the development of the pupae. Accordingly, triglyceride content in the ovary was only 20% at the beginning and increased to 64% before eclosion, and the content of diglyceride and free fatty acids in the blood also increased significantly. This suggests that fat in the ovary is transported from the fat body through the blood.

在化蛹初期，脂肪体中甘油三脂的含量高达75％左右，随着蛹体发育而逐渐降低；与此同时，卵巢中甘油三脂的含量在化蛹初期仅为20％，到羽化前增加到64％；血液中甘油二脂和游离脂肪酸的含量也有明显增加，说明卵巢中的脂肪是由脂肪体经血液转送而来的。

Kate Dillon: I think it happens to everybody at some point where you feel one way about yourself and that your initial…your intuition about who you are, is that you are a good person, that you are beautiful, that you are strong, that you are capable.

凯特·狄龙：我觉得每个人都会那么一个时候，对自己抱有一种看法，而你对自己最初最直觉的看法是"你是个好人"，"你是漂亮的"，"你很强壮"，"你很有能力"这样的。

In contrast, dimerization and trimerization of NaH2PO4 are predicted to be the predominant initial reactions for the silica supported NaH2PO4 catalyst.

但是在硅胶负载的磷酸二氢钠上，磷酸二氢钠的二聚和三聚是缩合反应初始阶段的主要反应。

In contrast,dimerization and trimerization of NaH_2PO_4 are predicated to be the predominant initial reactions for the silica supported NaH_2PO_4 catalyst.

但是在二氧化硅负载的磷酸二氢钠上，磷酸二氢钠的二聚和三聚是缩合反应初始阶段的主要反应。

Therefore, the association sends an initial written proposal about "Set up new concept of eating and dinking, advocate not-eating wild animals" to call for the whole society begin from ourselves to protect the same homeland of human and animals.

为此，该协会于二000年一月二十日向全国人民发出"树立饮食新观念，提倡不食野生动物"的倡议书，呼吁全社会为保护人类与动物的共同家园，从我做起。

And then you slur by dropping initial letters and diphthong s.

有时你又把单词开头的辅音和双元音含糊掉。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。