The effects of draw-down ratio, air-layer length, drawing conditions on the structure and properties of the fiber were discussed.

探讨了喷丝头拉伸比，空气层长度，拉伸条件对纤维结构性能的影响。

youdao

Conversely, step-down ratio insufficiency is compensated for by making the switching frequency during the step-down operation lower than the switching frequency during the step-up operation.

反之，通过根据升压时的开关频率来降低降压时的开关频率，可弥补 降压比的不足部分。

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We can also see that the ratio for D01MLC96 trends down over the next couple of months, then back up again.

我们还可以看到，D01MLC96 的比率相比前两个月有下降的趋势，然后再次上升。

youdao

That ratio may have been higher in the nineteenth century; it's gradually trending down, but it's a slow-moving thing.

在19世纪这个比率要高一些,然后逐渐下降,但这是个缓慢变化的过程

耶鲁公开课 - 金融市场课程节选

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

Anyway, your loan-to-value ratio is getting pretty precarious because your house is now down 30% in value; your loan-to-value ratio, if we were to give you $5,000, would be something like 90%.

你的贷款价值比变得很不安全,因为你的房子已经贬值30%,如果我们借给你5000美金,你的贷款价值比率在90%左右

耶鲁公开课 - 金融市场课程节选

The move aided the appeal of municipal issues by bringing down the ratio to 97.4% making it the most attractive for munis since January.

FORBES: Corporate Paper Overlooked As Traders Move To Treasuries

The conventional stripped-down expense ratio, excluding brokerage, has its defenders.

FORBES: Hidden Expenses

They need to get that ratio down to 3-1 by next year.

FORBES: Insurance Premiums are Going to Spike This Fall - Big Time