Due to the subtle error among different manufacturing equipment, the gate delay of circuits is different and varies in a given scope, which induces the time uncertainty of the waveform.
由于制造设备本身存在微小误差，具体门的延时并不相同，而是在一定范围内变化，引起波形变化的时间不确定。
Virtual design and manufacturing for heavy ground vehicles can be used to reduce error in the design process and shorten the lead time greatly for them.
重型筑路机械的虚拟设计与制造技术可以减少设计过程中的错误、缩短开发周期。
Tolerance restricts manufacturing error of part, and allowance redeems the error that comes into being in the process of product assembly.
容差和工艺余量分别是控制零件制造误差和补偿产品装配累积误差的重要参数。
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