The waves are out of phase and cancel one another.
波为不同相的,彼此抵消而减弱.
A very useful tool for scale-up is the dimensionless group. This is the grouping of system variables so as to cancel out their dimensions.
在放大中使用的一个很有用的工具是无量纲数群。这是系统变量无因次化的一种组合。
Timed out. Press OK to continue, or CANCEL to reject.
超时。按确定继续,或按取消拒绝。
We had to cancel the project when our German partner backed out.
由于我们的德国合伙人中途变卦,我们不得不放弃这一工程项目.
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