Above an HDI of 0.9 or so, it turned up, producing what is known in the jargon as a "J-shaped" curve (even though it is the mirror image of a letter j).

HDI高于0.9，线形图呈现行话所谓的“J形曲线”(实际显现的是镜像的字母J)。

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The massive mirrors that collect and focus light are, like SALT's mirror, an array of smaller mirrors arranged on a perfectly formed curve.

凯克望远镜采集和集中光线的大型镜片和南非大望远镜类似，是由一组小镜片拼接成的曲面镜。

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Tom Gerds said pet owners mirror the bell curve of household demographics.

汤姆说宠物主折射出家庭人口统计特征的钟形曲线(译注：正态分布曲线)。

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But the operation was so demanding technically that most urologists were afraid to try it. (One doctor likens it to backing up a tractor trailer around a curve by looking through the rearview mirror).

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