Back in 1971, Chua was examining the four basic quantities that define an electronic circuit.

回到1971年，Chua在观察组成一个电路的四个基本参数。

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Through a systematical analysis of supply chains, their basic structure models are summarized, and the characteristic quantities of their reliability are analyzed.

通过对供应链的系统分析，归纳总结了供应链的基本结构模型，并分析了其可靠性的特征量。

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Special arrangements may be necessary, however, to respond to initial needs for adequate quantities of basic drugs and strict control of unsolicited donations.

但是在最初，为了满足对于足够基本药物数量的需求，以及保证对未经要求的主动捐赠品的严格控制，可能需要特殊安排。

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In one model we thought of the firms setting quantities and the market determining prices, and here we have the firms setting prices and the market determining quantities, but the basic underlying economic structure of this is very, very similar.

在前一个模型我们假设公司设定产量,而市场决定价格,在本模型中我们假设公司设定价格,而市场决定产量,但基本的经济结构是非常,非常相似的

耶鲁公开课 - 博弈论课程节选

Basic chemistry predicts that ammonia and methane should naturally coexist in varying quantities unless they are in extremely cold or hot environments.

FORBES: Astronomers Conduct 'Reconnaissance' Of Another Solar System

Making large quantities of this vaccine is faster than with traditional production methods because the basic cells are able to be frozen and stored, the company said in a statement.

CNN: CDC: U.S. may need 600 million swine flu vaccine doses