C2 noun #76,947 よく出る

The mass of a body when it is not moving relative to an observer.

rest mass 30秒で

  • (noun) The mass of a body when it is not moving relative to an observer.

Meanings

  1. 1
    noun The mass of a body when it is not moving relative to an observer.
役に立った?
まだコメントがありません。最初に考えをシェアしましょう!