density是什么意思 density的用法 density怎么读

density

英 ['densɪtɪ]美 ['dɛnsəti]

n. 密度

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英语词源

density (n.)

c. 1600, from French densité

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

权威例句

1. the density of a gas

一种气体的密度

2. The population density of that country is 685 per square mile.

那个国家的人口密度为每平方英里685人.

3. Mercury has a much greater density than water.

水银的密度比水大得多.

4. This paper introduces a Pulse - Density - Modulated ( PDM ) load resonant induction heating power based on DSP.

介绍了基于数字信号处理器(DSP)设计的PDM ( Pulse 鄄 Density鄄Modulation ) 负载谐振式感应加热电源.

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5. VEGF expression and microvessel density ( MVD ) in tumor tissue were measured by immunohistochemistry.

免疫组化检测瘤组织中VEGF蛋白表达及组织内的微血管密度 ( mi-crovessel density,MVD ) 改变.

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