The flow stress decreases and the elongation increases with the decrease of stress rate .

随着拉伸速度的减小，合金的流变应力减小，延伸率增大。

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The results show that flexural strength of fresh water ice is closely related to stress rate and temperature.

结果表明，水库淡水冰弯曲强度与应力速率和冰温有着密切关系。

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After reaching maximal flexural strength, with the increase in stress rate, the flexural strength decreases instead.

达到极限弯曲强度后，应力速率继续增加，弯曲强度值呈减小趋势。

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Economists point out that the current jobless rate is already higher than the hypothetical rate that was used to calculate the health of banks and other financial institutions in so-called "stress tests" earlier this year.

VOA: standard.2009.06.07

Over time that message evolved so the muscle activity involved in a smile sends a message to the brain signaling safety, which could translate into lower heart rate and stress levels.

WSJ: Stress-Busting Smiles

Arctic weather has been blamed for some of the decrease in spending during the month, however economists also stress that the unemployment rate is still too high for a consumer spending to actively reengage.

FORBES: Markets Lag On January Retail Sales

The Zen Index uses heart-rate variability to quantify stress levels in a simplified manner, according to the company.

WSJ: Review of Tink�� and HeartMath Inner Balance Sensor for iOS