- adj.
1.四個一組的；由四部份組成的；第四的。
2.【化學(xué)】四元的；四價的；季的；【數(shù)學(xué)】四進制的。
3.〔Q-〕【地質(zhì)學(xué)；地理學(xué)】第四紀(jì)[系]的。n.
1.四；四個一組的東西；第四組組成部分。
2.〔Q-〕【地質(zhì)學(xué)；地理學(xué)】第四紀(jì)。
3.【數(shù)學(xué)】四進制。
短語和例子
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quaternary中文什么意思
例句與用法
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- The quaternary sediments are largely undeformed .
第四紀(jì)的沉積物大部分未變形。 - Cationics are usually quaternary ammomium salts .
陽離子表面活性劑通常為季銨鹽類。 - Non - aqueous titrimetric analysis of quaternary ammonium salt n
263的非水滴定分析 - Optimal quaternary self - orthogonal codes of dimension three
4上的3維最優(yōu)自正交碼 - Thermoelectric properties of quaternary ag - bi - sb - te alloys
四元合金的熱電性能
英文釋義
名詞- the cardinal number that is the sum of three and one
同義詞：four, 4, IV, tetrad, quatern, quaternion, quaternity, quartet, quadruplet, foursome, Little Joe
- coming next after the third and just before the fifth in position or time or degree or magnitude; "the quaternary period of geologic time extends from the end of the tertiary period to the present"
同義詞：fourth, 4th - consisting of or especially arranged in sets of four; "quaternate leaves"; "a quaternary compound"
同義詞：quaternate
百科釋義
The Quaternary Period is the most recent of the three periods of the Cenozoic Era in the geologic time scale of the ICS. It follows the Neogene Period and spans from 2.
詳細(xì)百科解釋