HRT, temperature and aerobic time ratio have an obvious effect on the treatment by WSBR.

水力停留时间(HRT)、操作温度和曝气比率对WSBR的脱氮效果影响明显。

youdao

The time ratio of the two stages is basically consistent with that calculated by theory.

本次模型试验得出的两阶段时间之比，与理论上的计算值基本一致。

youdao

This is the tone in music at the same time ratio between the diameter of a disk and the side of a square of the same surface area.

它们是音乐中的调解与增强，也是一个圆的直径和等面积直角方形的边长的比率。

youdao

The history of mortgages is that they have generally over time gotten more easy on loan-to-value ratio and also on maturity.

从抵押贷款的历史来看,随着时间推移,抵押贷款,对于贷款价值比和期限越来越宽松

耶鲁公开课 - 金融市场课程节选

So, if every tenth time your dog brought you the newspaper you gave it hugs and treats; that's ratio.

每当你的狗为你拿十次报纸,你就抱抱它，给它奖励;,这便是比率强化。

耶鲁公开课 - 心理学导论课程节选

The problem with this line of thinking is that over time the ratio of gold to silver prices has varied.

FORBES: Silver's Bubble And Volatility

At the same time the ratio of active workers paying into the system to retirees drawing from the system has reached 1.86 to 1.

FORBES: Old Age Pensions 10 Percent of GDP and Rising

The switch began at 5%, and by the time the cineole level had reached 10% the ratio of time the animals spent in the two enclosures had reversed itself presumably reflecting, though this remains to be tested, the point at which they change trees in the wild.

ECONOMIST: Ecology raids the techniques of chemistry