N-COUNT In tennis, if a player serves a double fault, they make a mistake with both serves and lose the point. (网球)双发失误
What if he had not produced a double fault to lose the third set tiebreak?
如果他没有在抢七中双发失误而失掉第三盘？
Then, a new method testing the double fault of combinational circuits based upon Boolean partial derivative is proposed.
在此基础上提出了基于布尔偏导数的组合电路双故障检测的新方法。
Fault links are indicated by a double line in an alternate color from normal links.
错误链接采用不同于正常链接的颜色显示的双线来指示。
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