N (in dogs) an abnormal increase in the thickness of the foot pads: one of the clinical signs of canine distemper (狗的)硬爪掌病 →see distemper
Typical chemical mechanical polishing (CMP) of copper layers on semiconductor devices involves using a hard pad in the first step and a soft pad for the barrier layer removal step.
半导体器件上铜层化学机械抛光(CMP)的第一道工序一般需要使用一块硬抛光垫，在磨去阻挡层的工序中要用到软垫。
If the drums will be hit medium to hard, you'll usually want to enable the mic's built-in attenuation (" pad ") switch. This helps minimize the chance of distortion.
如果鼓被越来越有力度的击打，我们经常会希望把麦克内置的衰减开关打开，这样会帮助减少失真的机会。
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