Assertion: coordinate system's unit | /r/CreatedBy | one unit of coordinate time
Facets:
Source sentences:
text: It is 1-meter long in original coordinates ( D x = 1), and is shown over 1 unit of proper time, which corresponds to one unit of coordinate time ( D t = 1).
text: x = 1), and is shown over 1 unit of proper time, which corresponds to one unit of coordinate time ( t = 1).