保持和平 keep peace
保持和修理房屋费用 maintenance and repairs
采样和保持 sample and hold
拉伸和保持肌肉线条 Tone & shape your muscles
保持年轻和美丽 KEEP YOUNG AND BEAUTIFUL
推力滚针和保持架组件 AXK ; Axial Needle and Cage assemblies ; thrust needle
保持位置和深度 Maintaining position and depth
保持冷静和自信 Maintain your composure and your confidence
保持航向和航速 Keep Course and Speed
保持信号和元件名称 Keep Signal and Part Name
So, and of course, you know, keeping entropy as a fixed variable for a system like that is extremely cumbersome.
所以,对这样的系统要求它们的熵保持恒定,和一个非常笨拙做法。
you're the face, you're the person who's supposed to keep the troop, you know, the, the rank and file motivated.
你是球队的标志,是保持球队战斗力和激情的主心骨。
On the other hand, temperature, volume and pressure are variables that are much easier in the lab to keep constant.
另一方面,温度,体积和压强,在实验室中比较容易保持恒定。
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