RS flip-flop,SR flip-flop,Set-reset flip-flop

Water meter and the influences of various setting positions;

水表及其不同设置位置产生的影响

The problem whether meteorological station collocating position is suitable has important effect on firing process and result of long range rocket launcher system.

气象站配置位置合适与否将对远程火箭炮发射产生重大影响,进而影响射击效果。