广义相对论是错误的，因此弗里德曼方程不适用。
General relativity is incorrect and therefore the Friedmann equations are not applicable.
由数值求解均匀的玻尔兹曼方程，计算出低压直流氩放电中电子的能量分布。
Electron energy distributions of direct-curent argon discharges at low pressures were calculated by numerically solving the homogeneous Baltzmann equation.
本文从含有变光速的度规出发考虑了宇宙的演化并给出了修正的弗里德曼方程。
We start from the metric containing a varying speed of light to investigate the cosmological evolution and give the modified Friedmann equations.
应用推荐