... 微分矩阵 differential matrix 微分扩张环 differential extension ring 微分类 differential class ...
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阐述了储粮微生物显微分类识别的方法，提出了检测系统的硬件和软件组成。
The technique of the classification of stored-grain microbe is presented and the hardware and software composition of the detection system are provided.
我们将利用该理论对一些特殊变换群的联合不变量、联合微分不变量进行分类。
We will use this theory to classify joint invariants and joint differential invariants of some transformation groups.
本文给出在中国分类之下二次微分系统有中心时两种情况的通积分。
We give general integral of quadratic differential system with center in two cases under the Chinese classification.
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