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?
这篇报告描述了某一个人为假定的自然界的基本物理常数，似乎并不是一直保持恒定不变。
The report describes how one of the supposed fundamental constants of Nature appears not to be constant after all.
但是灭绝的速度同一个恒定的常数有着相当大的距离。
然而经典的生产库存模型并不考虑容量可变性，而是假定机器在单位时间内的生产量是恒定的常数。
However, the classical production inventory models do not take volume flexibility into account, machine production rate is usually assumed to be a constant.
数值模拟同时还发现流动性指标属于一种统计平均值而并非恒定不变的常数值，这将有助于对流动性评价指标的重新思考和定位。
Bi-channel fluidity test modulus simulation suggests that different channel formed different length in a practical experiments, it also proved fluidity indexes should be an average value.
数值模拟同时还发现流动性指标属于一种统计平均值而并非恒定不变的常数值，这将有助于对流动性评价指标的重新思考和定位。
Bi-channel fluidity test modulus simulation suggests that different channel formed different length in a practical experiments, it also proved fluidity indexes should be an average value.
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