Turn off your cell phone or put it on vibrate answering only in case of an emergency.
关掉你的手机或者把手机调成振动状态以防有紧急事件发生。
The curious feature of superstrings, however, is that they can only vibrate in 10 dimensions.
超弦好奇的特点,但是,他们只能在10个方面的震动。
The existing reducer design causes the reducer to vibrate and to make a noise usually, when considering of only static characteristic but neglecting of dynamic performance.
在以往的设计中,由于只考虑了减压阀的静态特性,忽视了减压阀的动态特性,致使减压阀经常发生振动,出现噪声。
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