研究了多极透镜与旋转对称透镜组合系统的基本性质。
The elementary properties of the system combining a multipole len with a round len are studied.
必须把大脑整体理解成一个能量系统，能量释放和能量吸收是每一个能量系统的基本性质。
The whole cerebrum must be understood as an energy system, the energy liberation and the energy absorption are basic nature of each energy system.
全面系统地论证了线性时不变连续系统传输算子的基本性质。
The basic properties of a transfer operator of a linear time-invariant continuous system are proved comprehensively and systematically.
本文基于一种相似关系下的粗糙集模型，给出了一些基本性质，讨论了该相似关系下的决策系统的知识获取算法。
Based on the rough model under the similarity relation, some basic properties are studied, and a knowledge acquisition algorithm based on the similarity relation in decision systems is discussed.
本文系统地论述球碳C_（60）的结构及其基本性质等，展望其在商业领域的应用。
This article systematically describes the construction and basic characteristics of C_60, predicts its future application in commercial field.
系统阐述了聚氯化铝的基本性质、絮凝形态、混凝行为和混凝机理。
The basic characteristics, the flocculation species, the flocculation behaviors and mechanisms of PAC have been expounded in this paper.
系统阐述了聚氯化铝的基本性质、絮凝形态、混凝行为和混凝机理。
The basic characteristics, the flocculation species, the flocculation behaviors and mechanisms of PAC have been expounded in this paper.
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