适当性

By the analyses of different person and the same person with different expression and gesture, the number of principal component vector is determined properly under the attention to divisibility and workload.

首先对不同人以及同一个人的人脸图像进行主成分变换，然后根据得到的人脸图像类内及类间距离数值的变化结果，在充分考虑到其可分性和计算工作量的前提下，选择适当的主成分变换向量的个数并进行人脸图像的特征提取。

For woven articles a proper drape can usually be realized by choosing a suitable weave and finish treatment.

机织织物的适当悬垂性可通过恰当的织纹和整理而实现。

By Lagrange dual and scalarization of vector optimization, characterizations of solutions for which objective mapping satisfies weak convexity conditions are shown. The strongly and weak dual theorems for generalized subconvex-like mapping are obtained.

通过适当定义对偶问题和向量优化问题的标量化研究各解之间的关系，刻画目标映射满足弱凸性条件的优化问题解的特征，在目标映射是广义锥次类凸的条件下给出有关的对偶定理。

When the value of critical threshold larger than 1, the disease and insect pests equilibrium point is locally asymptotically stable An appropriate Dulac function should be choosed and Bendixson-Dulac creterion is used to prove that the limit cycle in this model does not exist. It explains that the disease and insect pests equilibrium point is globally asymptotically stable.

选取适当的Dulac函数，利用Bendixson-Dulac判别法证明了极限环的不存在性，说明局部渐近稳定的病虫害平衡点也全局渐近稳定。

If the method and dosage is not suitable,on the contracy,it will appear bad feedback of chest bored and sex earliness.

如果方法和用量不适当，反而会造成胸闷和性早熟等不良反应。

To our knowledge, the electric field effect on the optical pattern formation phenomena has not been included in the earlier theoretical analysis.

在外加电场偏压下的线状液晶样品，由於其本身的介电非等向性，液晶分子的排列可以利用外加电场加以适当地控制。

Based on upper and lower solutions,the existence and uniqueness theorem are established.

以上下解为基础，建立了解的唯一性定理，在适当条件下，构造具体的上下解，得到了解的存在性和唯一性。

For example, basic tools from calculus such as Fermat theorem, Rolle theorem and the intermediate value theorem may not necessarily hold and fundamental concepts such as chain and product rules and certain smoothness properties all need to be modified.

例如，微积分中的基本工具诸如Fermat定理、Rolle定理以及介值定理不再成立，一些基本的概念诸如链式法则、乘积公式以及某些光滑性都需要做适当的修正。

All Gumotex Inflatable kayaks can be packed and stored in a dry bag or backpack and the weight is only from 7kg to 16kg. A simple foot pump can inflate most kayak in 5 to 10 minutes. These kayaks can be used from 20 years if they are being used and stored properly.

独木舟平时以可携性高而储放方便的防水背包装运，重量由七公斤到十六公斤，使用时只需用脚动式的打气筒，打五到十分钟的气便能使用，如果适当使用和储放，该独木舟可用二十年以上。

Appropriate sex is one of the keys to the brains fountain of youth.

适当的性爱是开启大脑青春喷泉的钥匙之一。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。