两跳 meaning in English

[乒乓球] double bounce

I didn ' t see the not - up , let ' s play
我没有发现两跳，继续比赛。
Sir , didn ' t you see the not - up
裁判，你没有发现球两跳了吗？
Following the principle of reuse partitioning , two new frequency planning schemes are proposed , the coverage - oriented scheme and the efficiency - oriented scheme , for the cellular system with two - hop fixed relay nodes ( frns )
摘要根据复用分割原则，提出2种新的两跳固定中继蜂窝网的频谱分配方案，即：侧重于覆盖面积的频谱分配方案和侧重于频谱效率的频谱分配方案。