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1·If such ratios also apply on a smoggy day in LA, watch out.

如果这样的比例在洛杉矶的雾霾天也适用，那就要注意了。

2·In the same way, we use patterns and ratios to detect both new and familiar flavors.

同样，我们使用模式和比率来检测那些新的、熟悉的味道。

3·These ratios register the fluctuations of air temperatures over the seasons and years.

这些比率记录了空气温度随季节和年份的波动。

4·Immediately relevant to game theory are the sex ratios in certain parasitic wasp species that have a large excess of females.

与博弈论直接相关的是某些具有大量过剩雌性的寄生蜂种类的性别比例。

5·Different ratios in the shells preserved in various layers of sediment reveal the temperature changes in the oceans during the Pleistocene epoch.

不同沉积层中保存的壳有不同的含量比例，显示出更新代海洋温度的变化。

6·It is a global record: there is remarkably little variation in isotope ratios in sedimentary specimens taken from different continental locations.

这是一个全球性的记录：在取自不同大陆位置的沉积标本中，同位素比率的变化非常小。

7·To compare the compositions of a meteorite and the Sun, it is necessary that we use ratios of elements rather than simply the abundances of atoms.

为了比较陨石和太阳的成分，我们需要利用元素的比率，而不单单是原子的丰度。

8·After all, the Sun has many more atoms of any element, say iron, than does a meteorite specimen, but the ratios of iron to silicon in the two kinds of matter might be comparable.

毕竟，太阳中任何元素的原子，比如说铁，都比陨石标本的原子要多得多，但这两种物质中铁和硅的比例可能是可以比较的。

9·Researchers' clues to the Eemian climate come from measurements of the ratios of two slightly different types of oxygen, isotopes oxygen-16 and oxygen-18, preserved in the GRIP core.

研究人员对间冰期气候的线索来自保存在 GRIP 冰芯中的两种略微不同类型的氧——即同位素氧-16和氧-18的比率。

10·Liquidity ratios are being mulled, too.

流动性比率也正在考虑之中。

(1)utilization ratio利用率；实用比

(1)noise ratio噪声比

(1)compression ration. 压缩比

(1)molar ration. 摩尔比率，摩尔浓度；克分子比，克分子比率

(1)signal-to-noise ratio信噪比

(1)recovery ratio采收率