下面哪说法是正确的?( )

单项选择题小企业的财务报表可以不包括( )。

单项选择题The synthetic fundamental magneto motive force generated by the AC three-phase winding is a function of both time and space, which refers to (). A、The current is A function of time and the MAGNETOmotive force is A function of space; B、The magnetomotive force is a function of time and the current is a function of space; C、The magnetic force is distributed cosine in space and rotates with time; D、The amplitude of the magnetomotive force is pulsating with time, and the magnetomotive force is distributed cosine in space.