In order to forecast the occurrence year of a landing typhoon in Zhejiang, a commensurable formula of three elements was used in arrangement and calculation.

为了对浙江登陆台风的发生年份进行预测，采用三元可公度式进行排列计算，可以得到其后几年内的可公度式，并根据可公度式频数的峰值进行判断。

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The bugs swarmed as the sun went down, a very common occurrence that time of year in the forests of the northeastern United States.

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The animal reared and fell back while on its way to a racetrack stable -- a common occurrence in stable areas every year, according to a state racing board doctor.

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With so much attention on European debt and fiscal cliffs and LIBOR scandals, many investors have overlooked an important occurrence in the stock market over the past year or so.

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