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- 实际航速actual speed
- 水下underwater
- 航速补偿ship speed compensation
- 航速模拟tracking simulation
- 航速滤波器Speed filter
- 航速修正方法speed correction method
- 声脉冲发送器置于水下产生声脉冲的装置,如回音器中的装置A device used underwater to produce pulses of sound, as for an echo sounder.
- 一种从船上投下浮物观测航速法fisherman's log
- 螺旋桨转速与航速比转数与船速比Number of revolutions to speed
- 水下的subfluvial
- 将自己覆于水下To submerge oneself briefly in water.
- 有限水深中零航速浮体波浪力计算奇点积分的数值处理方法Numerical Method of Solving the Singular Point Problems in Calculating the Wave Force of Immobile Float Bodies
- 水下爆破submarine blasting
- 水下混凝土浇筑underwater concrete placement
- 水下焊under-water welding
- 这样一来,大大降低了船的航速。因为船不能开得太快,否则就有危险,应急舵也会被刮走。Reduce This greatly reduced the speed of the ship, for there was a danger that if she travelled too quickly, this rudder would be torn away as well.
- 水下发射Uwl
- 这位游泳者能在水下呆1分多钟。The swimmer can remain under for more than a minute.
- 水下自然地理学submarine physiography
- 舰船航速控制是舰船航行综合控制的重要组成部分,它是一个复杂的高阶、非线性、时变系统, 采取传统的控制方法难以获得良好的控制效果。Ship speed control, which is important composition of ship synthetic control, is a high order, nonlinear, time-varying system, so it is very difficult to gain good performance with traditional control.