Howard J. Feldman, the director of regulatory and scientific affairs at the American Petroleum Institute, noted that the evidence of a causal factor was inconclusive for some ailments.

美国石油研究所负责监管和科学事务的所长霍华德j·费尔德曼指出，证据表明废气对某些疾病的发生并不起决定性作用。

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The strength matching factor m has a great influence on the J integral in the vicinity of the crack tip.

焊接接头强度匹配因子m对裂纹尖端的J积分值有很大的影响。

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The results show that the j and f factors increase with the fin space and fin length decreasing, and the fin space has more obvious effect on the area of optimization factor.

试验结果表明，新型开窗翅片的翅片间距对表面传热因子和阻力性能影响较为显著。

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Another diagram meant to represent J-Factor shows the circle inside the square both ideas together.

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