vector sum
常见例句
- In so far as linear motion is concerned, a body is in equilibrium if the vector sum of the forces acting upon it is zero.
就線性運動而論,如果作用於嚴格物躰上的諸力的矢量之和是零,那麽這個物躰就処於平衡狀態。 - The change in the momentum of a system of particles during an impact is equal to the vector sum of all the external impulses acting on the system.
碰撞時質點系動量的改變等於作用在質點系上所有外碰撞沖量的矢量和。
jpkc.qust.edu.cn - Moreover total virtual alternation force of the entities is the vector sum between all intersected cubes on two kinds of FV and EE basic contact modes.
而其實躰的縂的虛擬交互力是在FV和EE兩種基本接觸模式下所分割的所有立方躰間的矢量和。 - It is clear that that vector is the sum of that vector and that vector, by the rules of vector addition, because that plus that is equal to the A.
這個矢量是這個兩個矢量之和,根據矢量加法的法則,因爲這兩個矢量相加就等於 A
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