Internationally, "giftedness" is most frequently determined by a score on a general intelligence test, known as an IQ test, which is above a chosen cutoff point, usually at around the top 2-5%.
在国际上，“天才”最常由一项智商测试（IQ test）的分数决定，这些“天才”的测试分数高于选定的分界线，通常在前2%至5%左右。
The cutoff date for ticket purchases is July 2.
七月二号是购票的截止日期。
It is found that scaling exponent equal to 2 is a typical cutoff of scaling exponent for scale-free networks.
研究表明，度分布指数等于2是无标度网络中度分布指数的一个临界值。
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