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.
由于英国的许多工作场在全国性禁烟法律通过之前就实施了禁烟，英国心脏病发作病例的减少幅度可能比其他欧洲国家更为温和。
Heart attacks may fall more modestly in Britain than other European countries because many workplaces imposed smoking bans before nationwide laws were passed.
相比之下，大陆市场对于每日涨跌的最大幅度有着10%的限制，这意味这向下的调整将是一场漫长的螺旋式运动，而不是一场断崖式的下跌。
By contrast, the mainland market restricts gains and falls to a daily maximum of 10%, which means a downward correction will be a long spiral rather than a vertiginous drop.
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