四與十的乘積是四十.The product of 4 and 10 is 40.可以看出,術(shù)語 “ 內(nèi)乘積功 ” 有兩種解釋.It will be seen that the term " internal work product " is ambiguous.點(diǎn)積是三個(gè)標(biāo)量的乘積, 所以是個(gè)標(biāo)量.The dot product, being the product of three scalars, is a scalar....