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当前学科：合成氨装置操作工
题目：
判断题
比例调节的优点是：调节作用反应快，没有滞后，输出偏差一一对应，能够较快而有效地克服干扰所引起的被调参数的波动。
A . 正确
B . 错误
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在表面性质相同的情况下，滑动摩擦力要比滚动摩擦力小。