有时，为了简化作图，往往采用以大圆柱半径为半径的圆弧代替双曲线近似画出。
In order to simplify the procedure, we use the arc which radius is the radius of the larger circular cylinder to replace the hyperbola.
从三能级原子的主方程出发，给出了能级近似等间距梯型三能级原子在单色驻波场中所受偶极力的稳态解，并进行了数值计算作图分析了偶极力，能级布居率随失谐量，光场幅度和空间的变化。
The dipole forces steady solution of a ladder-type three-level atom of nearly equispaced energy level driven by a standing wave is derived from the atomic master equation.
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