The paper introduced a method that can locate the position of cable breaking point by using the reflection of low pressure impulse, and set up a control system through 89c52.

介绍了一种利用低压脉冲反射法测定电缆断点位置的方法，并采用89c52单片机建立了控制系统。

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To reasonably control the ball, the players must reasonably choose attacking position, attacking time and attacking point.

合理控制球的技法，则必须合理选择击球位置、击球时机和击球点；

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Starting from the energy principle and regarding the minimum strain energy as control condition, we get the best position design of the hanging point.

从能量原理出发，以最小应变能为控制条件，给出两点吊吊点最佳位置的设计。

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Then choose your seat accordingly: Sit at the head of the table or at mid-point on the side if you want to exert control, and choose any other position around the table if you want to state symbolically that you are an equal member of a collaborative team.

FORBES: Want Collaboration? Watch Where You Sit.