black hole GMAT

1.The general event horizon formula of black hole is given from null hypersurface equation.

从零曲面方程出发,导出了黑洞视界面普遍公式.

2.The amort relationship was like a black hole, and it's been cankering my soul.

这种濒临死亡黑洞，不停地在蚕食着我内心。