基本解釋每一單位面積英漢例句雙語例句Let's use delta for density, which is the mass per unit area.我們用δ來表示密度,也就是每單位面積元的質(zhì)量。The density for a flat object would be the mass per unit area.一個(gè)平面物體的密度是每單位面積元的質(zhì)量。The other way to think about it is divergence is the source rate, it is the amount of fluid that is being inserted into the system, that is being pumped into the system per unit time per unit area.另外一個(gè)理解方法是,散度是源頭的“冒出率”,它是流體往系統(tǒng)輸入的量,也就是單位時(shí)間內(nèi),單位面積新冒出的流體。權(quán)威例句But they also have the highest sales per unit area of any U.S. retailer, double that of Tiffany.FORBES: A Google Retail Store? Why It's Not As Crazy As It Soundsper unit area更多例句詞組短語短語power per unit area 單位面積功率;每單位面積功率force per unit area 面分布力per unit area yield 單位面積產(chǎn)量per unit area concentration 單位面積濃度production per unit area 單位面積的生產(chǎn)量;單位面積產(chǎn)量per unit area更多詞組專業(yè)釋義能源科學(xué)技術(shù)每一單位面積