In this paper the model of two level atomic momentumspread in amplitude modulated standing light wave was investigated.
分析了二能级原子在振幅调制驻波场中动量扩散模型。
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Stocks opened lower, reflecting early weakness in overseas markets, but by 10 a.m. the market was in positive territory. The momentum built throughout the day and spread across all sectors.
To seriously investigate commercial bribery case involving national civil servants, at the same time, to combat bribery, effectively curb the momentum of the spread of commercial bribe.