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density

英 ['dens?t?] 美['d?ns?ti]
  • n. 密度
CET4TEM4考研TOEFLCET6低頻詞常用詞匯

詞態(tài)變化

復(fù)數(shù):?densities;

英文詞源

density (n.)
c. 1600, from French densité (16c.), from Old French dempsité (13c.), from Latin densitas "thickness," from densus "thick, dense" (see dense).

雙語例句

1. the density of a gas
一種氣體的密度

來自《權(quán)威詞典》

2. The population density of that country is 685 per square mile.
那個(gè)國家的人口密度為每平方英里685人.

來自《現(xiàn)代漢英綜合大詞典》

3. Mercury has a much greater density than water.
水銀的密度比水大得多.

來自《現(xiàn)代漢英綜合大詞典》

4. This paper introduces a Pulse - Density - Modulated ( PDM ) load resonant induction heating power based on DSP.
介紹了基于數(shù)字信號(hào)處理器(DSP)設(shè)計(jì)的PDM ( Pulse 鄄 Density鄄Modulation ) 負(fù)載諧振式感應(yīng)加熱電源.

來自互聯(lián)網(wǎng)

5. VEGF expression and microvessel density ( MVD ) in tumor tissue were measured by immunohistochemistry.
免疫組化檢測瘤組織中VEGF蛋白表達(dá)及組織內(nèi)的微血管密度 ( mi-crovessel density,MVD ) 改變.

來自互聯(lián)網(wǎng)