Boats are required to carry a certain ratio of fins to carcasses to prevent massive overfishing.

为了避免过度捕捞，渔船需要装载一定比例的鱼翅和鱼肉。

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Each width series has a certain ratio of bearing width t to the height of the bearing cross-section (Table 1.9).

每个宽度系列具有一定比例的宽度和高度(表1.9)轴承。

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Moreover, a certain ratio of blending coal could improve HGI, which implied more facility of the pulverization of coals.

两种可磨性较差的煤混配起来的煤种可能变得较易磨细，选择合适的质量配比比例可以提高混煤的可磨性指数。

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The difference between ratio is a reward every certain number of times somebody does something.

比率强化意思是,间隔一定比例才给予奖励。

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Golf is optimally fun at a certain ratio of failure to success.

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But he said it is a different situation when one approaches asset class as a fundamental investment and add commodities to achieve a certain rate of return or Sharpe ratio.

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Every Web site, with the exception of Prosper, mandates that users meet certain criteria: credit scores of approximately 640 and a debt-to-equity ratio of around 30%.

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