A uniformly congruent security model is presented based on observational congruence.基于观察同余等价,构造了一类一致同余安全模型.We have experimental and observational evidence concerning things which happened before and after the origin of l...
The observational work is carried out on a range of telescopes.观测工作借助于各种望远镜。We have experimental and observational evidence concerning things which happened before and after the origin of life.有关生命起源前后发生了什么，我们通过实验和观察得出了一...