... 电子计数器 electronic counter 电子自由度 electronic degree of freedom 电子测距 electronic distance measurement ...
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将电子自由度积掉后，我们得到了描述核自旋的有效作用量以及核自旋的自旋波传播子。
After integrating out the electron degrees of freedom, we derive the effective action describing the nuclear spins and the propagator for the spin wave.
讨论了微电子装备中的重要设备之一贴片机采用平面三自由度并联机构作为定位和姿态调整机构而带来的惯性力平衡问题。
This paper discusses the balancing of planar three-degree-of-freedom parallel manipulator used as positioning mechanism of surface mounting machine. The counter-weight balancing method is used.
高温超导体属于强关联电子材料，其中电子、自旋和晶格自由度之间存在较强的相互作用。
High-temperature superconductors are strongly correlated electronic materials, in which spin, charge, lattice are simultaneously active.
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