查询词典 null function

Act is null and illegitimate,from the mere fact that he who does it is out of his mind.

这样一种行为是不合法的、无效的，就只因为这样做的人已经丧

Anything we said 6 months ago is inadmissible in an argument. In fact, all comments become null and void after 7 Days.

任何一件我们争论了6个月的事，实际上，在开始7天之后，任何解释都变成无效的和没意义的。

In fact, any number of rows can include nulls for columns without NOT NULL constraints because nulls are not considered equal to anything.

由于空值与任何值比较都无意义，因此定义了 UNIQUE 键约束而没有定义 NOT NULL 约束的列上可以包含多行值为空的记录。

Bitmap indexes can include rows that have NULL values, unlike most other types of indexes.

与其他大多数索引不同，位图索引可以包含键值为 NULL 的行。

Bitmap indexes can include rows that have NULL values, unlike most other types of

与其他大多数索引不同，位图索引、可以包含键值为NULL的行。

It is shown that the insensitivity conditions are equivalent to the null controllability problem of a cascade system.

不灵敏控制问题是能控性的一个分支，半线性热方程的不灵敏控制问题即可转化为一个串联系统的能控性问题。

That's because int are value types and can never be null.

这是因为int是值类型而且永远也不能为null。

VWMO Intercomparison of models for snowmelt runoff Operational Hydrology Report 23(WMO No.646), 1986,null

张勇%刘时银%丁永建中国西部冰川度日因子的空间变化特征地理学报， 2006，1

Through the economic analysis of natural resource utilization,it is believed that market is effective to solve the problem of natural resourcesustainable utilization within a generation, but it is null for the problem ofnatural resource sustainable intergeneration utilization.

首先，通过对不可再生资源和可再生资源持续利用问题的经济分析，认为市场在解决自然资源的代内持续利用问题时是有效的，但是对于解决跨代问题，尤其是可持续发展所要求的久远时限内的自然资源的持续利用问题，却是无效的。

Due to the chaos of "null distance" in Donne\'s cognition, a dynamic movement has been produced between the two poles on a horizontal axis in his texts, which led to the occurrence of subjective and textual "intermediacies". And this is the characteristic of Donne\'s intermediateness.

由于多恩认知中"零距离"的混沌，导致了其主体的"间性"和文本的"间性"的出现，令多恩文本在横向组合轴上产生事物两极间的动态运动，从而产生多恩中间性的(来源：A47BCdc论文网www.abclunwen.com)特征。

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。