查询词典 null

First, by employing the DCT instead of the "pixel grouping" and redefining the within class scatter matrix, a new null space method is given.

首先，通过使用DCT代替"像素聚类"并重新定义类间散布矩阵，得到一种新的零空间法。

The quadrupolar ring's temperature field is studied numerically by finite difference method, its null drift is analyzed at given temperature circumitance.

通过有限差分法，对光纤环的Shupe效应作了研究，对四极子光纤环在非稳态传热的过程中的温度场进行数值求解，分析了光纤环在试验提供的温度环境下的温度零漂。

An improved algorithm based on former ones was proposed. It introduced mirror image to enlarge sample capacity and adopted the method of the null space of the within-class scatter matrix Sw to get the best solution of Fisher criterion.

为解决此问题，在已有算法的基础上，引入镜像图像来扩大样本容量，并采用零空间的方法求得Fisher准则函数的最优解。

Optical parameters of GaInP were measured by using null ellipsometric spectrum method in the visible light region at room temperature The dependencies of refractive index and absorption coefficient for three samples on the energy of photons were obtained, and the result was analyzed and discussed The positions of energy gap of three samples were give

利用消光式椭圆偏振光谱法，在室温下可见光区对光电子材料镓铟磷的光学参数进行了测量，得到该材料的折射率和吸收系数随光子能量的变化关系曲线，并对结果进行了分析和讨论，给出了镓铟磷带隙的位

Because some babies cry for a while understand that this method will be null and void, it will gradually go to sleep. b step-by-step, some babies are very stubborn, not comfort to not give up, or it will be crying and vomiting.

因为有些宝宝哭闹一会就会明白此方法无效，就会渐渐入睡。b循序渐进，有些宝宝非常倔强，得不到安慰就不罢休，或是哭闹起来就会呕吐。

It can avoid overdoing the generalization.(3) Imputation of unknown values. To the incomplete information systems,the dissertation suggests a new method to impute the null values. The method is based on the extending model of rough sets and fully considers the consistence of data and dependency of attributes.

为了提高GDSS决策能力，本文提出了将粗糙集理论与层次分析法相结合的思想，利用粗糙集理论所确定的属性间的依赖关系，分析应用系统运行所积累的大量数据中各决策因素、决策者对决策目标的影响，构造具有完全一致性的个体判断矩阵和综合判断矩阵，建立自学习系统，克服决策者主观因素对决策结果的影响。

By default, GameObj's implementation of this method returns NULL (which means "do not test this object for collisions"). To detect object-to-object collision, we're going to override this behavior in our classes and return a collision structure for each object.

qaf在处理碰撞检测时，需要物体拥有这个方法，如果这个物体需要得到碰撞检测，就让这个函数返回其内部的碰撞检测结构体，否则可以返回NULL。

Least square method; prestressing reinforcement; null method; sequential numbers

最小二乘法；预应力张拉；零点法；等差序号

This man-made monster that possessed a lot of post-test method will be null and void, and later a Buddhist monks Chuan cursed him a son (presumably quasi-mentioned expletives) let him read every day, no matter how hard the body must adhere to.

此人为魔怪附体后试了很多方法皆无效，后来一位佛教的大德传他一个咒子让他每天念，不论身体有多麽难受也要坚持。

The data a GetChunk call returns is assigned to variable. If Size is greater than the remaining data, the GetChunk method returns only the remaining data without padding variable with empty spaces. If the field is empty, the GetChunk method returns Null.

此方法取回的数据赋值给一个变量，若Size参数大于还需要取出的数据，则该方法返回剩余数据且并不在该变量后添加空格，若字段为空，则该方法返回NULL值。

We have something to do in the new stage.

在这段崭新的时期中，我们有一些要做的。

The difference between tourism decision-making under uncertainty and risky tourism decision-making is indistinctive.

其中不确定性旅游决策和风险旅游决策的界线比较模糊，两者的区分是相对的。