null point [数] 零点 ; 零点漂移 ; 哑点 ; 无效点
Null Point and Gain Adjustable 零点增益可调
Null Point Liver Biopsy 零点肝活检
null point method 刀口支承平衡法
optical null point 光学零点
real null point theorem 实零点定理
balanced null point detail 稳定零点
null-point molecular absorption spectrometer [分化] 零点平衡式分子吸收光谱仪
This routine initially checks to see if NULL manager entry point vector, mgr_epv, was passed.
这个例程首先检查传递的管理器入口点向量mgr_epv是否是NULL。
For those methods to accept no argument would require a null where point was specified.
对于不接受参数的方法，在指定point的地方需要一个null。
Also, many times member variables of a class that point to other classes simply need to be set to null at the appropriate time.
此外，您常常需要在适当的时候将指向其他类的类成员变量设置为null。
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