density是什麼意思 density的用法 density怎麼讀

density

英 ['densɪtɪ]美 ['dɛnsəti]

n. 密度

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英語詞源

density (n.)

c. 1600, from French densité

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

權威例句

1. the density of a gas

一種氣體的密度

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

那個國家的人口密度爲每平方英里685人.

3. Mercury has a much greater density than water.

水銀的密度比水大得多.

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

介紹了基於數字信號處理器(DSP)設計的PDM ( Pulse 鄄 Density鄄Modulation ) 負載諧振式感應加熱電源.

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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蛋白表達及組織內的微血管密度 ( mi-crovessel density,MVD ) 改變.

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