常見(jiàn)例句雙語(yǔ)例句By the charge density we mean the per unit volume.所謂的電荷密度是指單位體積的電荷。It is the amount of electric charge per unit volume.是電荷與體積的比值。The calculated results show that the charge weight per unit volume based on the tensile theory is identical with the practical one of the standard blasting crater.計(jì)算結(jié)果表明,對(duì)于標(biāo)準(zhǔn)爆破漏斗,按最大拉應(yīng)力理論計(jì)算的炸藥單耗與實(shí)際情況基本吻合。 返回 charge per unit volume