A short circuit can be connected across the input terminals and the output can then be set to zero, either by front panel zero controls or by computer control.

仪器的输入端子之间用一个“短路头”连接，其输出到仪表的输入即为零，也可使用仪器前面板上的消零控制或者用计算机控制来置零。

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Move machine slides by manual control, set up machine, set workpiece zero.

通过手动操作移动机器滑杆(片、轨、块…)，设置机器，设定工件零位。

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However, previous studies on the selected initial control input value is subjective, blind, and generally set it as zero or a bounded random quantity.

然而以往的研究对控制输入初值的选取完全是主观、盲目的，一般将其定为零或一有界随机量。

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