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The table headings from left to right are branch, condition and field quantities in units. The table information is as follows:

Branch, electrostatics. Condition, stationary charges left parenthesis partial derivative q over partial derivative t equals 0 right parenthesis. Field quantities, electric field intensity E left parenthesis volt per meter right parenthesis electric flux density D left parenthesis centimeter squared right parenthesis. D equals summation E.

Branch, Magneto statics. Condition, Steady currents left parenthesis partial derivative I over partial derivative t equals 0 right parenthesis. Field quantities, magnetic flux density B left parenthesis T right parenthesis, magnetic field intensity H left parenthesis ampere per meter right parenthesis. B equals mu H.

Branch, dynamics, time varying fields. Condition, time varying currents left parenthesis partial derivative I over partial derivative t not equal to 0 right parenthesis. Field quantities, E, D, B and H. E, D coupled to B, H.