单项选择题
单项选择题 造价师目前现行行业发展状态下最核心的工作是()
未知题型 When a given op-amp has a common-mode input of 10 V, the output of the device is 10 V. When the device has a differential input of 2 mV, the output of the device is 10 V. What is the CMPR of the device? A、5 : 1B、5000 : 1C、1000 : 1D、5,000,000 : 1
单项选择题 有机磷农药中毒时“中间综合征”发生的时问是()