... constant-amplitudestresscycle等幅应力循环 constant-closed常闭的 constant-dutycycle恒定工作周期 ...
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是不是说所有的接点输入都是常闭的接点输入呢？
当没有通道被选中时，每组开关的第一个通道（常闭）被连接到一个输出端口。
When no channels are selected, the first channel of each bank, which is normally-closed, is connected to an output port.
当利用这一配置测量漏流时，通过每个继电器的常闭触点同时向所有的二极管施加偏压。
When measuring the leakage current with this setup, the voltage bias is applied to all the diodes simultaneously through the normally closed contact of each relay.
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