The theory was called specialbecause it applies the principle of relativity only to inertial frames.
The theory was called specialbecause it applies the principle of relativity only to inertial frames.
这个理论被称为“狭义”是因为它仅应用在相对论的惯性系中。
The theory was called specialbecause it applies the principle of relativity only to inertial frames.
这个理论被称为“狭义”是因为它仅应用在相对论的惯性系中。