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。
In late Quaternary the lake shallowed and its water became salt-water.
第四纪早期湖深水淡，晚期湖浅水咸。
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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