Children as young as ten are becoming dependent on social media for their sense of self-worth, a major study warned.

一项重大研究警告称，10岁的孩子开始依赖社交媒体来获得自我价值感。

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There is a major study right now that 'snailing it down well.

现在有一项重要的研究很好地确定这观点。

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Just last year, a major study in 13 countries found no clear evidence that exposure to the radiation from cellphones causes brain cancer.

就在去年，一项在13个国家开展的重大研究项目表明，没有明确的证据能够证实受手机辐射影响会导致脑癌。

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A new study has found the strongest evidence yet that smoke-free laws can reduce a major effect of tobacco smoking - heart disease.

VOA: special.2009.01.07

As the Center reported that month, (1) a major IMF-led study commissioned by the G-7 nations at last year's Houston economic summit revealed that the Soviet Union was a basket-case economically and would remain so in the absence of wholesale structural reforms.

CENTERFORSECURITYPOLICY: Center For Security Policy

Still, he is co-leader of the major study comparing it to whole-breast irradiation.

WSJ: New Scrutiny for Popular Breast-Cancer Treatment

In fact, the CDC conducted a major two-year independent study of various regulatory laws in 2003.

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