Note the return check from del_timer, which identifies whether the timer is still in use.
注意来自 del_timer的返回检查，它确定计时器是否还在使用。
Another is GC-AED method which identifies oxygen element in gasoline.
另一种是用GC -AED方法鉴定汽油中的氧元素。
It's a device which identifies its owner through his finger-print pattern.
这是一种通过指纹图案来确认其物主的装置。
It's a device which identifies its owner through his finger-print pattern.
这是一种通过指纹图案来确认其物主的装置。
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