RESULTS:The physical parameters of underwater blast wave were characterized by high peak pressure, short positive duration and great impulse.

结果：水下冲击波物理参数的特征表现为高的峰值压力，正向持续时间较短，冲量较大。

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The duration value can be either a positive or negative value.

持续时间值可以是正数，也可以是负数。

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A reduction for the risk of COX-2-positive tumors was found with increasing duration of aspirin use (multivariate relative risk 0.59), becoming evident after 10 years, the researchers said.

研究发现增加期服用阿斯匹林时间可以减少肿瘤中COX - 2阳性的风险(多元相对危险度0.59)，10年后越来越明显，研究人员说。

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Frankly, I doubt that the duration and rate were major issues, but they provided an opportunity to have a positive announcement effect to show that major central banks were supportive of the European situation.

FORBES: The Fed's Recent Action on Swaps