举重动运动员按体重分级吗？
动则不衰，用则不退。生命在于运动。
滑块可寸动，可紧急停止运动，操作更安全的冲床。
The slider to inch move, but an emergency stop motion, operating more security.
冲床滑块可寸动，可紧急停止运动，操作更安全。
The slider to inch move, but an emergency stop motion, operating more security.
当潜在运动（动因）变成实际运动（实动），即为运动。
Only an actual motion can convert a potential motion into an actual motion.
目的：比较注意缺陷多动障碍(ADHD)儿童与正常儿童探究性眼球运动的特点。
Objective: to explore the character of the exploratory eye movement in ADHD children.
止动器是限制构件运动范围的一种装置。
The dog driver is a unit that limitates the moving range of the structural member.
止动器是限制构件运动范围的一种装置。
The dog driver is a unit that limitates the moving range of the structural member.
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