常見例句雙語例句OK, so triple integrals over a region in space, we integrate a scalar quantity, dV.那么在一個空間上的區(qū)域的三重積分，對標量dV做積分。So, speed, which is the scalar quantity is going to be just the magnitude of the vector, V.因此，速度的大小即是,矢量V的模長。The vector hydrophone gives attention to two aspects: the vector quantity and scalar quantity , so more attention is paid on it.矢量水聽器由于兼顧了實際海洋聲場的標量和矢量性質(zhì)，而越來越受到人們的關注。 返回 scalar quantity