查询词典 null class

By employing the pole-null representation, we demonstrate that the lateral shift is closely related to the null of the reflection function.

利应用极点-零点描述理论，我们发现光束的位移与光束在该结构中的反射系数函数的零点密切相关。

In other words, if you use an α level of .01, you will fail to reject the null hypothesis, and your confidence interval would contain the null value.

换句话说，如果你使用α水平为。01，你就不能拒绝零假设，你的置信区间将包含零值。

Firstly,we discuss whether the proportion of null hypothesis could be estimated, and we give the condition of the identification of the proportion of null hypothesis.

首先，我们对原假设比例的可估性进行讨论，给出了原假设比例可估的条件。

Revankar S%Yegnanarayana B Machine recognition and correction of freehand geometric line sketches null , 1991,null

刘伟%查建中%徐晓慧%鄂明成用RCR特征和NN识别实时手绘工程草图 10.3321/j.issn：1003-9775.2003.06.010 计算机辅助设计与图形学学报， 2003，06

To ensure that the aName parameter is a pointer, use the macro NS_PRECONDITION to warn if null, follow with a null test in the line below, and return the error result code NS_ERROR_NULL_POINTER.

然后是个判空测试，在指针为空时返回错误码NS_ERROR_NULL_POINTER。

The RELEASE macro just makes sure the pointer isn't NULL , calls the release method of the interface and then sets the pointer to NULL .

RELEASE宏判断指针为非空后调用接口的release方法将指针置空。

To emulate null-modem connection Virtual Null Modem can be effectively used.

学习零调制解调器连接的虚拟零调制解调器可以有效运用。

Virtual null-modem allows user emulate virtual null modem connection and run the two applications simultaneously on the same computer.

虚拟空调制解调器允许用户学习的虚拟空调制解调器连接和运行两个应用程序，同时在同一台计算机上。

The most expensive null modem cable is the null modem cable suitable for full handshaking.

最贵的无猫电缆是适用于全握手信号的无猫电缆。

The main purpose of this null modem cable is to let well defined software think there is handshaking available, with a null modem cable which has no provisions for it.

这个电缆的主要目的是让设计良好的软件认为握手正常。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。