1) helmholtz reciprocal relationship
黑目荷兹互易关系
3) Qing Relations with the Dutch
中荷关系
1.
Tributary System and Qing Relations with the Dutch during the Early Qing Dynasty;
朝贡制度与清前期的中荷关系
4) relationship between medicine and Book of Changes
医易关系
5) reciprocal e-quation
倒易关系
6) commutation relation
对易关系
1.
The commutation relations between the momentun differential 0 operators ρ_r,ρ_θ and ρ_φ and α_r,α_θ and α_φ,and the unit vectors e_r,e_θ and e_φ are given,further the expressions of relativistic momentum components in spherical coordinate system are given.
还给出了动量微分算符^Pr,^Pθ,^Pφ分别与αr,αθ,αφ及坐标系单位矢量er,eθ,eφ的对易关系。
2.
The first method uses the commutation relation of raising and lowering operator;the second method is called the second quantization.
介绍了量子光学中常见的双光子纠缠态关联函数的两种求法,第一种方法是利用产生湮没算符的对易关系来求解;第二种方法是应用"二次量子化"的方法来计算,这种方法不需要用对易关系,计算简便。
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