gray band approximation 灰带近似计算结果
narrow band approximation 窄频带逼近
dressed-band approximation 缀饰带近似
band-wise approximation 分段频带逼近
band wise approximation 分段频带逼近
Approximation and recovery of band-limited functions from shift-invariant operators is studied.
给出了有限频带函数利用平移不变算子的逼近与恢复。
As conducting polymers belong to the system of wide energy band, the SSH model in a state of tight-binding approximation is too crude.
由于导电高分子是宽能带体系；对于该体系来说，紧束缚近似下的SSH模型是过于粗糙的。
This paper gives a simplified calculation of the valence band structure for a diamond-type crystal in nearest neighbor approximation.
用最近邻近似法对金刚石型晶体的价带给出了一种简化的计算法。
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