夜晚在快速路上行驶时，不可能边开车边找路。
When travelling on fast roads at night it is impossible to drive and navigate at the same time.
这样的决定必须快速做出，所以我就马上行动了。
It was one of those decisions that had to be made quickly, so I made it quickly.
介绍一种PON上行信号元快速比特同步结构及其实现。
A fast bit synchronization technique for upstream cell in PON is presented.
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