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词汇 diachronous
释义 diachronous 英daɪə'krɒnəs美daɪə'krɒnəs BNC⁷³⁸⁶⁰
基本例句
地质年序堆积层
As the top boundary of the Zimenqiao Formation is diachronous, the intermediate boundary fluctuates near its top boundary.
由于梓门桥组的顶界穿时,所以中间界线在其顶界附近浮动。 cnki

Luoquan Formation is a diachronous unit from Sinian to Lower Cambrian.
罗圈组为一穿时地层单位,时代为震旦纪—早寒武世。 http://dict.cnki.net

The Maokouan and Permian formations in the Jiangsu Zhejiang Anhui region are mostly diachronous.
苏浙皖地区茅口阶和上二叠统各组普遍穿时。 cnki
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