Boffetta explains that this aspect of the study design could "be an explanation of the weak effect we found."

Boffetta解释这一方面的研究设计也“可能解释我们所发现的微弱的效果。”

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The moral decline of teenagers is closely related to weak effect of moral education among people under eighteen.

青少年道德水平下降与未成年人德育工作低效密切相关。

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Conclusion as a specific antigen in mixed melanocyte lymphocyte reaction, melanocyte has a weak effect on the lymphocytes.

结论正常人黑素细胞的促淋巴细胞转化增殖的特异性抗原作用较弱。

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For example, one effect of a weak economy is less demand for office space.

VOA: special.2009.09.04

But, the uppermost effect size difference was weak, 0.22, which is similar to the effect size mentioned for adults.

FORBES: There Are No Silver-Bullets in Education Reform

That is because the CO2 greenhouse effect is weak and marginal compared to natural causes of global temperature changes.

FORBES: To The Horror Of Global Warming Alarmists, Global Cooling Is Here

The BCC estimates that the economy grew by 0.3% in the second quarter of 2011, and it is concerned about the effect that weak growth in the rest of the world will have on UK exporters.

BBC: UK economy recovering too slowly, BCC says