At present, there are two kinds of weather balloons hydrogen charging instruments-one is buoyancy balance, and the other equalizer.
目前气象气球充氢设备主要有浮力天平和平衡器两种。
According to the principle of the interference of two beams and the buoyancy law, the principle and design of one buoyancy balance for measuring little mass change of a body is discussed.
利用双光束干涉原理与浮力定律，对一台能测定物体微小质量变化的浮力天平原理与设计进行了讨论。
Finally, the values of roll stability, in accordance with the condition of the balance between gravity and buoyancy of ship in waves and also with that the sum of trim moments is zero are obtained.
然后，根据波浪中重力与浮力平衡、纵倾力矩之和为零这两个条件来求取横摇稳性力臂值。
The buoyancy force moment balance equation imposed simplifies the multi-input twi-output coupling (system) into multi-input single output system.
将气囊浮力力矩平衡关系式引入方程组，使多输入双输出耦合系统简化为多输入单输出系统。
The control system automatically regulates the buoyancy force of the gasbag according to parameters of a sensor, so as to achieve the gravity balance and energy-saving flight of the whole aircraft.
控制系统根据传感器参数自动调节气囊的浮升力，达到整机的重力平衡和节能飞行。
The control system automatically regulates the buoyancy force of the gasbag according to parameters of a sensor, so as to achieve the gravity balance and energy-saving flight of the whole aircraft.
控制系统根据传感器参数自动调节气囊的浮升力，达到整机的重力平衡和节能飞行。
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