The same relation should hold when the source and receiver are at rest and the medium moves with velocity v.

当光源与接收器静止而媒质以速度V运动时，同样的关系式成立。

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This primarily white ceramic toast cooker boasts a simplified design, a single-feed toaster, and a V-shaped rack to hold the toast for use on the kitchen table.

ENGADGET: Glide toaster gives breakfast bread a new flair

In this connection, programs like the V-22, which hold enormous promise not only for the military technology base but also for the civilian sector, should be fully realized by production and introduction into the active inventory.

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Behind the scenes, of course, changes in V reflected changes in the demand to hold money (cash balances), k.

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