Mix pure alcohol and naphtha in a ratio of 3:7.

可以把纯酒精和挥发油以三比七的比例混合。

youdao

Longer from occiput to tip of nose than broad at widest part of skull in a ratio of 7:4.

后枕骨到鼻尖的距离较长，与脑袋最宽处的宽度相比，比例约为7：4。

youdao

You will inhale through one nostril, hold the breath, then exhale through the other nostril in a ratio of 2:8:4 counts.

——分别数2、8、4下，使用一个鼻孔吸气，屏住气，然后再用另一个鼻孔呼出。

youdao

The figures in the two efforts reveal an anomaly: While Cambodia has succeeded in dramatically cutting the ratio of children who die each year, the maternal mortality figure has not dropped in a decade.

VOA: standard.2009.11.10

We had a similar, even higher price-to-earnings ratio of about forty-six at the peak in 2000 and it corrected way down.

000年时我们的市盈率甚至更高,达到了46,后来经过修正降低了

耶鲁公开课 - 金融市场课程节选

We had an extraordinarily high price-to-earnings ratio representing a lot of optimism in the '20s for the stock market and then it corrected and went abruptly downward-- that was The Great Depression.

在二十年代,市盈率高得离奇,表现了当时人们对股票市场的乐观,当其得到修正并突然下跌时,大萧条便开始了

耶鲁公开课 - 金融市场课程节选

If the historic laws of energy economics applied, production would follow reserves in a ratio of 1:10.

FORBES: Frack Gas Not Likely To Displace King Coal, Study Suggests

Instead they have to land detached fins and carcasses in a ratio of weights that is supposed to ensure that everything makes it to port - one carcass for every fin.

BBC: EU gives shark protection teeth

Apple selling since September has shot down the share price about 20% and put its share price valuations into old school company territory, as in a PE ratio of about 12.

FORBES: Connect