起落[qǐ luò]
rise and fall; up and down
1. upanddown:UOP, Utilization Operation Panel ==> 利用運用パネル | up and down ==> 起落 | up and down gig ==> 上下往复式刺果起绒机
2. riseandfall:riseanddownofpipe管子的升降 | riseandfall起落 | riseandfallclause价格涨落条款
3. fluctuation:流出量图 flowout diagram | 振幅;消长度;振动;起落 fluctuation | 流量;通量 flux