电磁场防护结构工艺、被动轴接地系统、主动轴接地系统和电场抵消系统是目前降低舰船极低频电场的主要方法。
The main methods used to reduce ELFE include electromagnetic field protection technology, driven shaft earthing system, drive shaft earthing system and electric field counteracting system.
齿轮泵的磨损部位主要有主动轴与衬套、被动齿轮中心孔与轴销、泵壳内腔与齿轮、齿轮端面与泵盖等。
Pump wear parts are mainly drive shaft and bushing, passive gear center hole and shaft pin, pump shell lumen and gear, gear face and pump cover, etc.
螺旋桨轴频是被动声纳极其重要的目标识别特征之一。
The propeller shaft frequency is one of the important target recognition features for passive sonar.
当风机偏航时电制动器被提起，塔架轴上的偏航制动器部分提起，但被认定为完全被动方式。
The motor brakes are lifted when the turbine is yawing. The yaw brake on the tower axis will be lifted partially but has been assumed fully passive.
运用卫星低轨道两个主要环境力矩(重力梯度矩和地磁力矩)对圆轨道卫星三轴姿态进行被动控制。
In this paper, three-axis passive stabilization is realized by using two main environment torques (gravity gradient and geomagnetic torque) in low orbit.
同时，论文还分别分析了围护桩墙刚度、支撑刚度、支撑预加轴力以及被动区土弹簧刚度对围护结构内力和变形的影响。
And the effects of the retaining wall stiffness, strut stiffness, perforce and soil spring stiffness on the internal force and deformation of the retaining structures.
二元系系统由被动的，无固定磁定模板组成，轻质复合材料构造而成，且具有双轴移动活塞，在空气轴承中滑动。
Two component system consists of passive, magnet-free stationary platen, constructed of lightweight composite materials, and dual axes moving forcer, gliding on the air bearings.
本文的主要工作是对这两种不同的被动式竖轴水轮机的水动力性能进行数值模拟。
In this thesis, the main content is the prediction of hydrodynamic performance of these two kinds of turbines with numerical calculation methods.
本文的主要工作是对这两种不同的被动式竖轴水轮机的水动力性能进行数值模拟。
In this thesis, the main content is the prediction of hydrodynamic performance of these two kinds of turbines with numerical calculation methods.
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