We know little of a quaternary compound.
我们对四元化合物了解得很少。
The late Quaternary stratigraphy in this area can b…
认为本区自晚第四纪以来属于轻微一中度上升地区。
Quaternary system has been divided into four "series", including ten "f."..
第四系划分为四个“统”，十“个组”。
The glacier influence of Quaternary Period affect soil development obviously;
土壤发育受第四纪冰川影响明显，成土年龄短；
The external cause was due to the influence of the Quaternary Period glacier.
农业起源的外因则是受晚更世冰期的影响。
A new colour reaction of the quaternary complex system of cobalt has been studied.
研究了钴的新型多元络合物体系的显色反应。
Quaternary climatic change is also a major influencing factor to the above evolution model.
气候变化也是制约上述模式的主要因素之一。
Quaternary climatic change is also a major influencing factor to the above evolution model.
气候变化也是制约上述模式的主要因素之一。
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