When the regulation is performed by variable flow rate, there exist two operation regulation m.

采用变流量调节时，存在定零压差点和变零压差点两种运行调节方式。

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When the regulation is performed by variable flow rate, there exist two operation regulation modes with fixed zero pressure difference and variable zero pressure difference.

采用变流量调节时，存在定零压差点和变零压差点两种运行调节方式。

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The influences of softening modulus and elastic modulus on local damage variable rate depend on the flow stress level.

降模量及弹性模量对局部损伤变量率的影响取决于流动应力的大小。

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With the majority of CDOs being backed by mortgages, the principal-only tranche has a known future cash flow, but at a variable rate of return, while the interest-only tranche has both an unknown cash flow and an unknown rate of return on that cash flow.

FORBES: 3 Bonds You May Have Never Heard Of

Yes, says Strathclyde's Mr Hughes Hallett, but the stock of existing home loans (as opposed to the flow of new ones) is still mostly at a variable rate.

ECONOMIST: s for EMU | The Economist