例句與造句

1. For this reason the relativistic invariant equations are usually simply called the Maxwell equations as well.
2. In a field equation consistent with special relativity ( i . e ., a Lorentz invariant equation ), the attraction between static charges moving with constant relative velocity, is always toward the instantaneous position of the charge ( in this case, the " gravitational charge " of the Sun ), not the time-retarded position of the Sun.
3. The magnitudes of 4-vectors are invariants-" not " " conserved ", but the same for all inertial frames ( i . e . every observer in an inertial frame will agree on the same value ), in particular if " A " is the four-momentum, the magnitude can derive the famous invariant equation for mass-energy and momentum conservation ( see invariant mass ):
4. It's difficult to find invariant equation in a sentence. 用invariant equation造句挺難的