The 11-year-old girl who devised the test for her fourth-grade science fair two years ago concluded that 21 practitioners of the widely taught practice were unable to detect the "energy field."
这11岁的女孩二年前为第四等级的科学展览发明了该测试，得出结论广泛传授实践的21位从事者是不能察觉“能量场”。
About two hours and 3,000 playbacks later, the students were able to correctly identify 80 % of the heart sounds on a test—up from 30 % before the practice listening session.
在两个小时中，他们反复听了3000遍，之后他们就可以在测试中准确地分辨出80％的心脏跳动声，相比听力练习前提高了30％。
About two hours and 3,000 playbacks later, the students were able to correctly identify 80 % of the heart sounds on a test—up from 30 % before the practice listening session.
在两个小时中，他们反复听了3000遍，之后他们就可以在测试中准确地分辨出80％的心脏跳动声，相比听力练习前提高了30％。
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