查询词典 null function

At last theory line lossValue of the station can be gotton through adding three phase energy loss with null line energy loss.

在电力系统中，三相对称的发、送、变高压电力供应环节，线损计算准确问题已基本解决，因为这些环节，现场运行条件自动化程度比较高，线损的计算方法比较

According to the constraint condition request, modified Hungarian law is reaches basically the goal only by one step, at the same time, provide the all null elements which each line and each row need.,then check whether satisfy the constraint condition, otherwise must further make the zero.

匈牙利法的改进是根据约束条件的要求，基本上是一步到位造出每行及每列所需的零元素。然后检验是否满足约束条件，满足则可得最优解，否则需进一步造零。

Expression of Delta2 in HeLa and H1299 cells showed that only Delta2- expressing H1299 cell, which is a p53 null cell line, increased cell viability and eliminated the cleavage of PARP after UV exposure.

在HeLa细胞以及H1299细胞中大量表现Delta2可以发现，UV照射之后只有在p53缺失的H1299细胞中可以防止细胞因为Delta2分解而走入细胞凋亡。

The all-purpose safety plug has the advantages that when the contact of the earth wire is not conducted, the live wire and the null line can not be connected, in order to cut the power supply, therefore, the use safety is guaranteed.

优点：在地线触点未导通时，相、零线不能合上而切断供电，保障使用安全。

ReadLine; while (line != null){ Console.WriteLine; line = reader.ReadLine;} reader.

与 C 类似的 Visual Basic Scripting Edition 则没有这一能力。

Is L1,L2,L3,N,PE.open the control-box the confirm,in control-box, connected the yellow green line is the grounding PE .3 black lines togother is null line N,for the machine must connect the Nnull line

接电源的工业插头按插头上标号接上对应电线，即L1，L2，L3，N，PE。打开控制箱门确认，控制箱内连接黄绿线的是地线PE，3根并在一起的黑线是零线N。本机必须连接N线。

Commercial power input null line.

市电输入零线。

With space and time two dimensional signal, a matrix is constructed, and the null space of the matrix is utilized to realize SDMA. The complexity of this technigue is analyzed.

该算法通过对空时二维信号的处理，发送空时二维信号构成一个矩阵，利用矩阵的零子空间以实现空分多址。

Through calculating the fundus of the null space of matrix A in the constraint,there exists at least one feasible descent direction at every nonstationary point and every iterate generated by the methods is feasible so long as the initial iterate is feasible.

通过计算约束条件中矩阵A的零空间的基底，使得在每一个非稳定点处至少存在一个可行的下降方向，并且在初始点是可行点的条件下，该算法产生的每一个迭代点都是可行点。

The method mainly adopts the projected gradient technique. Through calculating the fundus of the null space of matrix A in the constraint, the direction set becomes a positive spanning set of R~.

其中主要是采用投影梯度技术，通过计算约束条件中矩阵A的零空间的基底，使得实施过程中所选用的方向集是R~中的一个正跨越集。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。