在基于位置和速度反馈的死区继电控制律中,系统最终会进入()模式
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Arguments were put ______ for changing some of the rules of the game.
I’m afraid ____________________ (除了让你走,我别无选择). (no alternative but)
____________________ (我从来没有见过这么美丽的落日). (rarely)
Lung cancer is the most ______ found cancer in men.