查询词典 null function

If a string-based field has null=True , that means it has two possible values for "no data": NULL , and the empty string.

如果一个基于字符串的字段类型设置了 null=True，这就意味着有两种可能的值用于表示"没有数据"：NULL 和空字符串。

But China's current Marriage Law null and void marriage established system is not perfect, should be amended based on in the light of the system of the null and void marriage of foreign legislation and judicial practice summed up the experience of our marriage.

但我国现行《婚姻法》确立的婚姻无效制度还不完善，应在借鉴国外有关婚姻无效制度的立法和总结我国婚姻司法实践经验的基础上予以修正。

Using the lifting property of sequence entropy pair and sequence entropy pair for a measure, it is shown that for each system there are a maximal null factor system and a maximal M-null factor system.

使用拓扑序列熵对和测度序列熵对的提升性质，我们说明了每个动力系统存在最大的null因子系统和最大的M-null因子系统。

Seok-Hwan Jang%Tong-Jin Park%Chang-Soo Han A control of vehicle using steer-by-wire system with hardware-in-the-loop-simulation system null , 2003,null

潘承毅%何迎晖数理统计的原理与方法上海：同济大学出版社， 1993，null

Gatley S L An engine limiting and anti-windup scheme for a partitioned integrated flight and propulsion control system AIAA-2001-4385 , null,null

杨冰 实用最优化方法及计算机程序哈尔滨：哈尔滨船舶工程学院出版社， 1994，null

GetBufferSysStringLen(b + 1;::WideCharToMultiByteCP_ACP,// ANSI Code Page 0,// no flags b,// source widechar string -1,// assume NUL-terminated p,// target buffer SysStringLen(b+1,// target buffer length NULL,// use system default char NULL;// don''t care if default used s.

注意这个代码使用与：：WideCharToMultiByte 相同的参数值。所以你只能在想要改变这些参数进行转换时使用该技术。

Each string is null terminated, and the unformatted section of the current table, is separated from the formatted section of the next table, with a double null.

每个字符串是空终止，以及当前表的格式化的部分，是从下表格式的部分分离，双空。

If you have a null context of reality, you get a null purpose.

记住，你的背景就是你关于现实的信仰集合。

Regular expression pattern strings may not contain null bytes, but can specify the null byte using the \number notation. Both patterns and strings to be searched can be Unicode strings as well as 8-bit strings. The re module is always available.

正则表达式的pattern字符串可能没包含null 字节，但是能够使用\njumber记号指定null 字节。pattern和被搜索的字符串都能够既是Unicode字符串也是8位字符串。re模块总是存在的。

Null rence on Traffic and Transportation US A American Society of Civil Engineering , 2000,null

李文捷 非均衡多市场的调控机制研究数量经济技术经济研究， 1994，4

Fostering the concept of multi-culture firmly and mastering the development of advanced culture correctly are conductive to resisting terrorism, separatism of nationalities and ultraism of religion, which is of great academic theoretical, immediate and profound historical si...

牢固树立多元文化的理念和正确把握先进文化的发展方向，有助于在世界范围内自觉地抵制恐怖主义，民族分裂主义和宗教极端主义。不仅具有重大的学术理论意义，而且也具有重大的现实意义和深远的历史意义。

But if anyone walks in the night, he stumbles, because the light is not in him.

11：10 若在黑夜行走，就必碰跌，因为那光不在他里面。