查询词典 null hypothesis

By analyzing and comparing the monitoring technique of rotary kilns axis at present at home and oversea, this paper puts forward a brand-new monitoring method of more advance and more scientific, that is the keyway-phase measure in direction of null displacement of the center of gyration measuring.

本文通过对国内外现有回转窑轴线临测技术的分析和对比，提出了一种更先进、更科学的全新的监测方法，即回转中心测量零位移方向键相法。

The minimum size of the character buffer in characters. This value does not include space for a null terminator.

得到buffer的最小长度，当然这是由我们自己设定的一个参数，其原型定义如下

If that character is not NULL the string is not a number.

如果不为NULL字符字符串不是一个数字。

It used chebyshev polynomials to calculate sine function for improving its accuracy. It adopted optimized null vector distribution strategy to decrease switching times and switching current.

其采用Chebyshev多项式计算三角函数，提高了运算精度；采用零矢量象限间交错分布的优化策略，以减小开关次数，降低开关电流。

The LM statistic follows chi square distribution with q degrees of freedom under the null.

LM统计量在零假设下服从 q个自由度的卡方分布。为什么乘上n-q而不是n？

The sort of circumlocution is required in nearly every use of a method that returns null in place of a zero length array.

类遁辞在几乎在零的长度列阵位置退回零位对方法的每个用途需要。

A 1172 bp fragment was detected for Wx-7A gene using dominant marker primer from the Wx-A1 normal wheat, a 593 bp and a 574 bp fragment were detected using codominant marker primer from the Wx-A1α normal and Wx-A1 null wheat, respectively.

STS标记结果中，Wx-7A位点的显性标记引物在野生型中扩增出一条1172bp的特异带，即Wx-A1α基因出现；Wx-7A位点的共显性标记引物在野生型中扩增出一条593bp的特异带，在缺失类型中扩增出一条574bp的特异带。

Robertson J L%Thompson N P%Wilson L W Combinatorial solid geometry target description standards AD-A306858 , 1996,null

朱文和%赵有守%李向东球形破片侵彻有限厚靶板的模型建立与计算弹道学报， 1997，3

If lpApplicationName is NULL, the first white space-delimited token of the command line specifies the module name.

如果lpApplicationName为空，以空格分隔命令行得到的首个标记指出模块名。

Returns the currently executing interactive command string of the local database session, or NULL if it can't be determined.

返回当前本地数据库会话里正在执行的交互命令，如果无法判断，就返回 NULL。

Who? I never heard of him, Paul said, before asking teammate James Posey if he had heard of him.

赛后，科比说，他一直都是一名非常出色的射手，今天他打得很棒。

When I joined the company, I rotated around the different sections.

我加入这个公司时，轮换过几个不同的部门。