They are both CGS systems called CGSE system and CGSM system respectively, and therefore they are both as convenient for dealing with theoretical problems as the Gauss system, and yet, when expressed in them, the Maxwell equations, etc.

• 它们都是CGS制,分别称为CGSE制和CGSM制,因而对于处理理论问题有如Gauss单位制一样方便。