High flow grade.

高流动级。

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Conclusions TIMI flow grade shows an important predictive value for long-term microvascular reperfusion of the infracted area, but a minor predictor for short-term reperfusion of the infracted area.

TIMI血流对于判断梗死区远期再灌注具有重要的临床预测价值，而对梗死区早期再灌注的临床预测价值较小。

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Its A-minus rating just makes investment grade, but Aetna is a huge generator of free cash flow.

FORBES: Magazine Article

The earnings-quality grade rewards companies for having high sums of operating and investing cash flow relative to reported earnings (Cisco).

FORBES: A Matter of Trust

Nahanni is one of scores of similar transactions Enron executives allegedly used to disguise the growing gap between reported earnings and cash flow in the late 1990s which, if disclosed, would have threatened its investment-grade bond rating.

FORBES: Magazine Article