Non rotating stem allows a non-spinning disc, ensures low torque and prevents torsional damage of the packing.

不旋转阀杆采用无旋流阀瓣，确保减少扭矩，防止填料受到扭转损坏。

youdao

A method is developed for correcting the accuracy of non rotating and aspherical lens by controlling the pressure of the polishing die during computer controlled optical surfacing (CCOS).

为提高自由曲面型面加工精度，提出了在计算机控制光学表面成型工艺中基于压力控制的抛光修正方法。

youdao

An object approaching simple Schwarzschild-type (non-rotating) black hole's center will appear to distant observers as having an increasingly slow descent as the object approaches the event horizon.

接近简单的史瓦西类型(非旋转)黑洞中心的物体将会对远距离的观察者当物体接近活动视界时候存在日益增加的慢降落。

youdao

Now, the ten rotating non-permanent members will have to wait for the edited version.

ECONOMIST: Now two rogues challenge Bush | The

It would have 80 independently rotating, non-circular floors.

ECONOMIST: Monitor

Egyptian officials have been keen to note that Mr Morsi would stay only for the few hours needed formally to pass the rotating chairmanship of the Non-Aligned Movement on from Egypt to Iran: a summit meeting, held every three years, was declared open on August 30th.

ECONOMIST: Egypt��s foreign policy