最关键的发现是，如果面具内部平滑，即使外面的气孔，鼻子和其它部位凹凸不平，它也会在面部伸展，随着肌肉的伸缩而移动。
A key discovery was that if the inside of the mask is smooth - even if the outside is bumpy with pores, a nose and other features - it will stretch over most faces and move with facial muscles.
某些传感器自身就具有数据平滑内部电路。
Some sensors have their own data smoothing internal circuitry.
它比凯迪拉克更平滑、更安静，而且仪表盘上的屏幕还添加了令人热血沸腾的车辆内部工作状态的显示。
It is smoother and quieter than a Cadillac, plus in-dash screens add the gee-whiz element of revealing the car's inner workings.
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