The effect of working parameters on the erosion performance of underwater jet is investigated, such as , simulated depth, stand off distance and exposure time.
试验研究了模拟水深、靶距及冲蚀时间对水下射流性能的影响关系，较全面地揭示了水下射流的特性。
2
The "fifth stroke," underwater dolphin, is the separator between good and great swimmers. Incorporating this frequently into training is extremely beneficial to your performance.
第五种泳姿、“水下海豚泳在一些优秀和顶级运动员中存在着。”这经常是相当有益的训练你要经常练习。
3
The experimental results has shown that the high performance of the REPM BLDCM can meet the requirement of actuation system for underwater vehicle.