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【简答题】
简述 定值控制系统 、随动控制系统、程序控制系统的概念。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】If a team leader expects his team members to trust him, what should he do?
A.
He can organize some team activities.
B.
He should give more praises to his team members.
C.
He should respect his team members first.
D.
He should encourage open communication between team members.
【单选题】In order to ensure the success of the expedition, the team leader thought it necessary to ______ the most of the opportunities at hand.
A.
grasp
B.
catch
C.
make
D.
obtain
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