At least one supernova occurs per decade in our galaxy.

每十年至少有一颗超新星在我们的银河系中出现。

《柯林斯英汉双解大词典》

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The color scales show the trends in days per decade.

颜色刻度显示了每十年日期天数的趋势。

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the rate has dropped to 83 per 1,000,down sharply from 124 a decade ago.

VOA: standard.2009.11.10

They found that their ranges were moving, on average, 3.8 miles per decade toward the poles.

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Furthermore, the rate of deterioration seemed to be accelerating, topping nine percent per decade since 1979.

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Miller says he wants Corning to score two to four big hits per decade, up from one or two.

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