时空;
例句:
When the curvature of spacetime is very large, however, the quantum aspects of gravity become significant.
但是如果时空的曲率很大, 重力的量子效应就不可忽视.
In particular, the curvature of spacetime four-momentum ( mass momentum ) of whatever matter and radiation are present.
特别是, 物质质量的存在会造成时空的弯曲.
Below the minimum scale , spacetime geometry ceases to exist.
它可应用在当测量仪器濒临变成黑洞之时.