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当前学科：维修电工考试
题目：
判断题
桥式阻容移相电路的输出电压的相位，可超前输入电压0?~180?。
A . 正确
B . 错误
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"How are things back at the office?" one of the gentlemen in my bicycle tour group asked me as we were nearing the end of a lengthy ride through the scenic countryside. "I assume they are going fine," I said. " I haven t had any contact and I don t plan to. Why would I ruin the environment we had traveled thousands of miles to create by bringing my work environment into it?" One of the primary purposes of taking a vacation is to rest and restore. How can you accomplish that goal if you simply move the source of the stress to a different location?