back run

基本解释

This engine uses a gearbox to allow the fan at the front and the turbine at the back to run at different, but optimal speeds.
它利用一个变速箱使分别位于涡轮前部和后部的风扇以不同但却是最佳的转速工作。
Buffer register, circular allotter, control logic, positive run and back run control circuits are replaced by computer software.
由缓冲寄存器、环形分配器、控制逻辑及正反转控制门组成的步进电机控制器则用计算机软件替代。
The step motor controller composed of buffer register, the circular allotter, the control logic, the positive run and back run control circuits is replaced by computer software.
由缓冲寄存器、环形分配器、控制逻辑及正反转控制门组成的步进电机控制器则用计算机软件替代。

The Confederates pushed Pope's army back across the Old Bull Run battlefield.
Or take this value out of memory, run it through some other simple operation, stick it back in memory.
或者从记忆存储器中取出一个结果，在类似的操作中运行，再插回到存储器中。
麻省理工公开课 - 计算机科学及编程导论课程节选
And those instructions, by the way, are very simple: they're things like, take the value out of two places in memory, and run them through the multiplier in here, a little piece of circuitry, and stick them back into someplace in memory.
顺便说一句，那些指令非常简单：,他们从记忆存储器中,取出两个位置的结果，在倍增器中运行，一小部分电路，再将它们插回存储器中的某些地方去。
麻省理工公开课 - 计算机科学及编程导论课程节选

Without holes to run through, the running back becomes the run-down back, and the receiver gets no passes if the QB is sacked.
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