查询词典 null

The system adds a null character to the command line, trimming the string if necessary, to indicate which file was actually used.

如果需要，系统会加入一个空字符到命令行中，调整这个字符串，以指出实际被使用的文件。

The reason of unbalanced load voltage for station transformer in 220 kV substation was analyzed,the important influence of null line wirings in three-phase four-wire system on three-phase load voltage balancing was explained,and put forward a kind of simple,visual and practical vector analysis method.

分析一220kV变电站站用变压器负荷电压不平衡的原因，说明了三相四线制中的零线接线准确与否对负荷三相电压平衡性的重要影响，并提出了一种简单、直观的实用矢量图分析方法。

ECPG_MISSING_INDICATOR): NULL value without indicator in line %d.

收到了一个 NULL 返回但是没有提供 NULL 指示符变量。

The only type of communication which is allowed on such a null modem line is data-only traffic on the cross connected Rx / Tx lines.

这种通讯方式只允许存在于只有 RX/TX 线路上有数据交换的无猫线路上。

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。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。