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Bowker John H%Michael John W Atlas of limb prosthetics:surgical,prosthetic,and rehabilitation principles St Louis:Mosby Year Book , 1992,null

燕铁斌%金冬梅平衡功能的评定及平衡功能训练中华物理医学与康复杂志， 2007，11

If the function succeeds, the return value is a pointer to the first byte of the memory block.If the function fails, the return value is NULL. To get extended error information, call GetLastError .

如果函数调用成功了，则返回值是内存块的首字节的指针，如果失败了，则就返回 NULL ，可以利用函数 GetLastError 获得更多的失败信息。

If the function succeeds, the return value is a pointer to the first byte of the memory block.If the function fails, the return value is NULL.

如果函数执行成功，返回值就是指向内存对象首字节指针，否则返回NULL。

If the function fails, the return value is NULL. To get extended error information, call GetLastError.

如果函数执行失败，返回值是NULL，调用GetLastError函数可以得到错误的情况。

If the user chooses the Cancel button in the dialog box, the return value is NULL.

如果用户选择取消按钮的对话框中，返回值为NULL 。

The factor which is most detrimental to the formation of the null voltage is the capacitive coupling between the primary and secondary coils.

对形成零电压最有害的因素是初线圈和次级线圈之间的电容耦合。

Methods The target DNA sequence of yrdC was obtained from human spleen tissue by using RT-PCR,construct high titer recombinant adenovirus Ad-yrdC by using AdEasy adenovirus carrier system,detect yrdC protein expression by using Western blot and immunohistochemical method,set up control group and transfected Ad-Null group,and study the effects Ad-yrdC on BGC-823 cell line by drawing cell growth curve and MTT chromatometry.

方法用RT-PCR方法获取人脾脏组织yrdC基因序列，采用AdEasy腺病毒载体系统构建携带yrdC基因的高滴度重组腺病毒Ad-yrdC，将其转染胃癌BGC-823细胞，应用Western blot和免疫组织化学法检测yrdC蛋白表达，设对照组和转染Ad-Null组，并分别绘制细胞生长曲线和MTT比色法研究Ad-yrdC对BGC-823细胞的影响。

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 one-way ANOSIM test was used to test the null hypothesis of difference between cephalopod assemblages.

东海区头足类种类丰富[2]，长期以来一直是东海区的主要捕捞对象之一。20世纪70年代以前主要利用曼氏无针乌贼，到了20世纪90年代以

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

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。