边界的

This result shows that if the image of the Gauss map of an evolution convex surface with planar boundary covers some hemisphere, such a surface maybe be of infinitesimal nonrigidity for the isometric infinitesimal deformation of planar boundary.

这个结果表明如果带平面边界的凸旋转曲面的Gauss映照像覆盖了某个半球，这曲面对于保持平面边界的无穷小等距形变来说可能是非无穷小刚的。

Originally, doctor had to do it by himself from first image to the last. It was inefficient and needed a lot of time. So, how to use computer technology to extract liver contour automatically is an important research field.

肝脏边界的确定是定量分析的前提，原先医生必须对肝CT序列中的每一幅图像都要手工确定肝脏边界，这耗时费力，效率也不高。

By increasing and deceasing the field domain boundary size, a method of defining the outer boundary of the domain is worked out. In addition, meshing control is determined by comparing the total element number and the effect of element distribution to the calculation result.

通过分析比较场域外边界大小对计算结果的影响，确定了场域模型外边界的选取方法；通过分析比较有限元网格总数与单元分布对计算结果的影响，确定了网格剖分控制方法。

It is proved that any n-dimensional(n≥4)compact manifold with totally geodesic boundary which satisfies a pinching condition can be deformed to a space form with totally geodesic boundary.

证明了对于任意一个具有全测地边界的n维紧致流形(n≥4)满足一定的拼挤条件可以形变为具有全测地边界的空间形式。

A calculation model of radiation heat transfer between the pressure tube and calandria tube of TACR, which is based on grey body radiation model and electronic network method, has been established.

本文以灰体辐射模型和电网络分析方法为基础建立了TACR压力管和排管间辐射换热的计算模型，利用该模型计算了给定温度边界和热流密度边界的情况下，压力管和排管间的辐射换热能力。

Contained in the same boundaries; coextensive.

有共同边界的包含在相同边界之内的；同向延伸的

Contrasted with the western China, significant relative motion is not found in eastern China. Based on the analysis results of the active boundaries, the China Mainland can be redivided into 11 active blocks. The movement amounts and patterns between these active blocks are calculated.

根据分析得到的活动边界，将中国大陆归并为11个活动块体，逐一计算了这些块体边界的活动量大小，确定了它们最新活动的方式。

An experimental rig is designed and set up to further analyze the effects of bearing block excitation on the oil film reformation and rupture.

实验结果表明：油膜形成和破裂边界的变化趋势与采用双雷诺边界条件计算的结果相比是比较一致的。

Mudstone barriers from the formation boundary of the third section of Hetaoyuan Formation to the surface of laminas within the cross-bedding in Shuanghe Oilfield were classified into ten degrees of hierarchies.

摘要应用层次分析法，将双河油田核桃园组第三段的地层边界到交错层的纹层边界的泥岩隔层分为10个层次。

First of all, this paper derives pressure expressions of stable state about vertical well inanisotropic media with various boundary. Based on this, Formulae of pressure distributionfor five-spot pattern and nine-spot pattern have been established, the characters of isobariccontours and streamline are analyzed, and this equips optimum of well pattern with theoreticfoundation.

首先利用坐标转换及镜像反演理论，推导了单一直井直线边界、平行直线边界的定常渗流的压力分布公式，在此基础上研究了五点法井网、九点法井网定常渗流问题，推导了压力分布方程，分析了等势线及流线的特点，为各向异性储层井网优化提供了理论基础。

He knows that he's one of the mostdominant players in the NBA right now.

我知道他现在是联盟里最有统治力的球员之一了。

Using analysis method of BCG , the dissertation analyzed the management of voluntary service organizations .

利用BCG分析方法对我国的志愿服务组织管理进行了分析。