自然单位制
The system of natural units
利用改进的brick-wall模型推导出自旋为2的引力场对动态Vaidya-Bonner黑洞熵的贡献,在自然单位制中其值为A/2;
The contribution of gravitational field of spin 2 to the entropy of Vaidya-Bonner black hole is calculated by using thin film brick-wall model proposed by Zhao Zheng et al .