A volume fraction specification, f, is used to define fluid region, and to track the movement of free boundaries.

用一个体积分数F来定义流体区域，并用它来跟踪自由界面的运动。

youdao

In view of the actual operating mode, analyzed the correct meshing condition to the compound gear and the pin-track, in order to realize the high production and highly effective has laid the f...

针对实际工况，对复合齿轮与销轨正确啮合状态进行分析，为实现高产、高效奠定基础。

youdao

Departing executive Lawson is generally considered to have done a competent job of putting the F-35 on a sustainable track while maintaining the profitability of other Lockheed Martin aircraft franchises such as the C-130 airlifter and F-16 fighter.

FORBES: Move up http://i.forbesimg.com t Move down

They also failed to note that the F-35 management system was designed to track all costs associated with operations and support, whereas legacy aircraft lacked comprehensive accounting systems.

FORBES: Massive Cost Estimate For Fighter Program Is Misleading