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Based on a certain disadvantages, concentrated in the traditional publishing model is a little bit of life and death situation to be shaken, society needs a new business model, make book publishing more conservation, more cost-effective, more efficient, more diverse, and yuanjiangensis is without doubt this social demand this of the prepotency lization of "."

基于必定的长处，古板不入书模式把持生杀的场面不天步侧在一不面不面不天被动摇，社会必给一栽陈的筹办模式，让典籍不入书更耗费能源、更耗费不梢钱、更矮效、更众样冻，而POD无疑是这栽社会需求下呱呱落不天的"优生儿"。

Summarize and analyze on the preprocessor of the finite element method firstly was carried through in this paper.

本文首先对有限元前处理技术进行了分析和综合，指出了六面体网格在有限元分析中的优点及六面体网格剖分的难点和现状。

The dislocation configuration in a single crystal Ni base alloy with (100) plane parallel to stress axis during primary creep has been investigated by TEM.

利用TEM研究了单晶镍基合金平行于应力轴的（100）晶面拉伸蠕变初期的位错组态，表明：形变特征是位错在γ相八面体滑移系中运动。

Next in section 2.3,usingthe finite isolated regular representations in SO(3)character varity of 〓,weobtained a computation formula of SO(3)Donaldson invariants with degree 1 of4—manifold 〓(Theorem 2.3.1).Finally in section 2.4 wediscussed the Donaldson invariants of 4—manifolds with smoothly embedded 2—torus 〓 whose selfintersection is +1,with the help of the single irreducibleSU(2)representation of the principal 〓—bundle over a 2—torus with Eulernumber—1,we got a gluing formula of the Donaldson invariant on the 2—homology represented by 2—torus 〓(Theorem 2.4.1),it is a supplement of P.

最后在§2.4我们讨论了具有自交数为+1的嵌入环面〓的4—流形的Donladson不变量，运用环面上欧拉数为-1的圆丛的单个不可约SU（2）表示给出了Donaldson不变量在环面表示的同调类上的一个粘合公式（定理2.4.1），这一结果补充了P。

Thus, to study tooth surface curvature is significant. However, from the published information, the curvature of face gear drives hasn′t been well studied until now. Based on the knowledge of differential geometry, a method for calculating principal curvature and principal directions for face gears is established, and thus the principal v...

文中利用微分几何原理推导了面齿轮传动的齿面主曲率与主方向，由此得出面齿轮传动中诱导法曲率的两个主值；开发了相应的程序；进行了实例计算；分析了传动中的主要参数对曲率的影响，所获得的结论对面齿轮传动的强度计算与分析具有参考价值

A polyhedron whose vertices all lie in one or the other of two parallel planes; the faces that lie in those planes are the bases of the prismatoid.

顶点都在一个平面或两个平行的平面上的多面体；位于那些平面上的面是旁面三角台的底部。

By designing the mould to change the propellants model frame, selecting differentmaterials as propellant seal layer agents, studying the preparation technics, we havepreferably solved the PSS seal layer pressurize and combustion disciplinarian problem, andobtained the remarkable increasing burning surface effect.The practical increment ofΓvalue reachs 3.2 upwards conducting closed bomb firings, comparing with 19 holepropellants—the best progressivity burning in the present, whose practical increment ofΓvalue is 1.2, the PSS amplitude ofΓvalue exceeds 2.5 times.

通过药型结构和模具的设计、端面密封材料的选择和制备工艺的研究，较好地解决了PSS发射药的端面密封和燃烧规律控制问题，获得了显著的增面性燃烧效果，密闭爆发器实验中燃气生成猛度的实际增量达到了3.2以上，与目前增面性最好的19孔发射药实际增量的1.2左右相比，增幅超过了2.5倍。

At the same time, on the base of self-developing 3-D finite element models of craniofacial complex, this article explores the change rule of stress、 strain and displacement of craniofacial complex against different strength and direction of maxillary protraction.

同时在自主建立的颅面复合体三维有限元模型基础上，探讨了不同大小和方向的前牵引力对整个颅面复合体的应力、应变和位移变化规律，以期达到为临床力系统选择提供科学依据的目的。

It is believed that wear is causedby protuberant deformation at middle of the segments and that thermal deformation is the main factorto cause deformation of the segments.

推力瓦的热变形主要是由三个分量组成：瓦体与瓦面线胀系数不同引起的热变形，瓦厚度方向温差引起的热变形和瓦面热变形。

Results: Relative diagnostic accordance rate of the clinical exploration and four kinds of image processing setup was the highest（P＞0.01）in the first premolars. Relative diagnostic accordance rate of the clinical exploration and the pseudocolor image setup and negative image setup was the highest（P＞0.01）, and that of the clinical exploration and the pseudo3D image setup and positive image setup was the lowest（P＜ 0.01）, showing statistical differences in the second premolars.

结果：①第一前磨牙：4种图像处理格局下邻面龋的检出结果与临床诊断结果的符合率高，差异无统计学意义（P＞0.01）；②第二前磨牙：负片和伪彩图像格局下邻面龋的检出结果与临床诊断结果的符合率高，差异无统计学意义（P＞0.01）；③正片和伪3D图像格局检出结果和临床诊断结果的符合率低（P＜0.01）。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。