mass point (n)

The centre-of-mass law states that the entire mass of a system of numerous bodies can be viewed as the mass point in its centre of gravity.

The centre-of-mass law (or theorem) states that the entire mass of a system of numerous bodies can be viewed as the mass point at its centre of gravity.

Massepunkt (m)

质点 (n)

punto de masa (n)

punto material (n)