相对边界

Negative radial electric field always associate with edge ion loss or separation of ions and electrons in same layer.

通过大量分析各种装置H-模的产生条件及其差异性，诸如装置磁场位形、等离子体与壁或限制器的间隙、第一壁条件、离子梯度磁场和曲率漂移方向等因素，研究它们与负径向电场或者说与边界离子损失的关系，认为在环形磁约束装置中电子基本上沿磁力线或磁面运动，而离子由于受梯度磁场和曲率漂移的影响大，有横越磁面的运动分量，会产生相对于磁面的扩张轨迹和压缩轨迹。

This kind of boundary is relative, only has the temporary stability and the validity, it along with situation change, but unceasing vicissitude.

这种边界是相对的，仅具有暂时的稳定性和有效性，它随着情境的变化而不断变迁。

The concept of grid relative density and boundary point extraction technique are proposed.Based on that,a clustering algorithm based on GRD for multi-density data sets is developed.

提出网格相对密度的概念和边界点提取技术，在此基础上给出了一种多密度聚类算法。

The cavity is taken as partially sealed with partial permeable boundary considering the relative permeability of the liner and the medium.

考 虑衬砌和介质的相对渗透性，孔洞处于半封闭状态，边界半透水。

A parametric study is made based on the solutions to illustrate the influence of the minimum quality factor concerning the creep and relaxation behavior of porous medium, the permeability parameter concerning the partial permeable behavior of boundary, and relative rigidity of liner and medium on the frequency response of the cavity.

并进行了算例分析，讨论了反映介质黏弹性性质的最小质量因子，反映孔洞边界半透水性质的渗透性参数及衬砌和介质的相对刚度对问题的影响。分析结果表明：以上参数对圆柱孔洞的频域响应有很大影响。

Containing the Visible Region positioning and the Sequence Region positioning raised in this paper as well as the Orientation Region positioning raised by Levitt [17] , the qualitative positioning method segments the environment of robot into different equivalent classes , and describes the positions without coordinates but just using landmarks and landmark relations, based on the extracted qualitative relations from images such as the visibility of landmarks, the sequence of landmarks and the position relative to the landmark pair boundary .

定性定位包括本文首次提出的可见区域定位和顺序区域定位，以及Levitt[17]提出的有向区域定位，利用通过图像获取的路标的定性关系如路标的可见性，路标排列的顺序和相对于路标对边界的位置等，将机器人的运动环境划分为若干个等价类；其定性性体现在不必使用坐标就可描述机器人的位置，这种定位方法只利用视觉反馈中的定性信息。

It has considered the effect of the relative velocity on the mass transfer in the same time.

针对炭的燃烧或气化反应，本文在Stefan流和温度边界层存在的条件下分析求解了描述气固反应的扩散方程，同时还考虑了相对运动速度对传质的影响。

By using a similarity transformation, the Navier-Stobes equations in the cylindrical co-ordinates for the steady incompressible flow are reduced to an ordinary non-linear differential equation of the third order.

利用相似转换，将不可压缩流体，定常运动，柱坐标形式的纳非尔-斯托克司方程组简化为一三次非线性常微分方程，运用小参数法及适当边界条件求出此方程的解，结果表明，吸吮或吹注对流动的速度分布，沿流程压力下降和摩擦系数均有显著影响，其影响的大小，依赖于吸吮或吹注的性质，程度及二圆管的相对尺度。

Correlation of submaxillas curve has been test, and experiments show that curves of submaxilla from the same person are correlated, while the curves of submaxilla from different persons are uncorrelated. 4. The feature of skull contour has been extracted by using polar -radius-invariant-moment, Fourier descriptors and wavelet descriptors separately.

4：将极半径不变矩、傅立叶描述子、小波描述子作为提取颅骨轮廓和眼眶轮廓信息的主要手段，并且构造了应用于眼眶边界的相对量作为特征量。

If this checkbox is not selected, tab stops will be relative to the left margin position.

如果此复选框未选中，制表位将相对於左边界的位置。

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。