But diffeomorphism invariant theory leaves some problems to be explained, and the meanings of spacetime and physical theory are still in question.
但微分
变理论存在需要解释的问题，空时及物理理论的意义
明确。
But diffeomorphism invariant theory leaves some problems to be explained, and the meanings of spacetime and physical theory are still in question.
但微分变理论存在需要解释的问题，空时及物理理论的意义明确。
声明：以上例句、词性分类均由互联网资源自动
，
分未经过人工审核，其表达内容亦
代表本软件的观点；若发现问题，欢迎向我们指正。
