1) generalized approximate relation
广义Rough近似关系
2) general similarity relation
广义相似关系
1.
Rough set model based on general similarity relation in incomplete information systems
广义相似关系下的不完备信息系统粗糙集模型
3) general neighborhood relation
广义近邻关系
4) generalized Born aproximation
广义Born近似
5) generalized approximant
广义近似式
6) GGA
广义梯度近似
1.
Density functional theory (DFT) based on generalized gradient approximation (GGA) and local density approximation (LDA) was used to calculate the energy gap of a set of zigzag single-walled carbonnanotubes (SWCNT) with different diameters.
采用基于广义梯度近似(GGA)和局域密度近似(LDA)的密度泛函方法(DFT)对不同直径的一组锯齿型碳纳米管进行了能隙计算,将得到的结果相互对比并与实验数据进行对比,得到了一组单壁锯齿型碳纳米管的能带特征,发现其能隙值在0～1。
2.
First-principles calculations within the generalized gradient approximation(GGA) are carried out on the energy gaps of both isolated zigzag SWNTs(7,0),(8,0),(9,0),(12,0) and their corresponding bundles in this paper.
本文采用基于广义梯度近似(GGA)的第一性原理方法,对锯齿型单壁碳纳米管束(7,0)、(8,0)、(9,0)、(12,0)及其相应的孤立管的能带结构和能隙进行理论计算。
3.
The system energies and surface structures are comparatively calculated by generalized gradient approximation(GGA) and local density approximation(LDA),based on density functional theory(DFT) in k-point space with periodic boundary condition.
在周期性边界条件下的k空间中,采用局域密度近似法和广义梯度近似法,对比计算两种体系的能量和表面结构。
补充资料：经济关系(见生产关系)
经济关系(见生产关系)
economical relation
1 ingji gU口nxj经济关系(eeonomieal relation)系。见生产关
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条