speed bulge的意思|示意

Bulge stars orbit the galactic center at a different speed than foreground stars.

银河中心恒星轨道胀在不同速度比前景恒星。

There are flow separations at the front blade of bulge tip clearance. The high speed area of groove tip clearance increases the secondary flow loss dramatically.

凸型间隙在叶片前缘引起了流动分离，凹型间隙存在一高速区，增加了二次流损失。