使失效

The accomplished software-control system of cellular growth system based on direct current-stimulation has characteristics as below:(1)individualise treatment according to user's requirements such as stimulation-current , stimulation-time and stimulation-channel;(2) operate easily and conveniently based on friendly;(3) could enable cursor switch conveniently and quickly among input frames, and disable corresponding choices to avoid mistaken operation;(4)could analyze the gained data and display the waveform of analytical data;(5)provide set up program of the software.

已完成的细胞直流电刺激实验系统软件控制系统具有以下特点：(1)可根据用户需求选择刺激电流的强度、刺激时间和刺激的通道，同时还可对采样频率进行选择；(2)系统软件操作界面友好、美观；(3)参数设置时控制按钮的光标可以方便、快速地在各输入框间切换，并使不能操作的选项失效，减少误操作；(4)对采集到的特征数据可进行数据分析，并对分析数据进行波形显示；(5)提供了该软件的安装程序。

Voiding a debt by annulling or paying it.

以取消或偿付的办法使一笔债务失效。

Cancellation: Voiding a debt by annulling or paying it.

撤销，解除：以取消或偿付的办法使一笔债务失效。

But never mind, glory to the mattress which annuls a cannon!

无论如何，光荣应该属于床垫，它使大炮失效了。

Alcohol on the finger contaminates some tests and should not be used.

手指酒精消毒会使某些测试失效，所以不能用。

However, this optional software program deactivates the standard parts counting function on

然而，这个可选的软件程序将会使这些款式的标准部件计数功能失效。

Which of the following factors deactivates the electric rear hatch drive on the new Audi A6 Avant?

下面哪一个因素使新的奥迪A6安万特上的后背驾驶失效？

Those behaviors such as groupthink will influence the regular group decision making process and lead to negative influence and process losses that will induce the final decision fiascoes.

象群体思维这样的群体行为常常会影响群体决策不能够按照正常的程序进行，而且会产生负面的影响，导致过程损失并最终使决策失效。

Invalidates iterators, and changes the order of elements.

使迭代器失效，并会改变元素的顺序。

Adding an element in the middle of a vector invalidates all iterators to elements after the insertion point.

在 vector 容器中间添加元素将使所有指向插入点后面的元素的迭代器失效。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。