伏拉汤姆：好吧，迈克尔，和我们在一起，别离开，因为我们想跟你谈谈另一个恐怖的东西，阿尔法常数可能不那么“恒定不变”，好吗？
FLATOW: All right, Michael, stay with us because we want to talk to you about another spooky thing, this alpha constant that may not be so constant, okay?
迈克尔，圈子里的人们已经开始悄悄地谈论这个阿尔法常数的事情。
Michael, this has been quietly been talked about, this constant alpha.
导出了克尔非线性梯度折射率光纤轴对称模传播常数的解析公式。
The analytic formulas of propagation constants of axisymmetric modes in a Kerr law nonlinear graded index optical fiber are derived.
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