identical unit or proportional unit of the body

time-rock unit =time-stratigraphic unit

coupling mechanism between upper level and low level jet

fiscal system at county level and township level

interaction between upper level and lower level

municipal level and county level

ethics unit assumption

1 000 MW air-cooling unit

1 000 MW class air-cooled unit

1 000 MW extra supercritical unit

1 000 MW generating unit

1 000 MW power unit

1 000 MW pressure unit

1 000 MW thermal power unit

1 000 MW ultra supercritical unit

1 000 MW ultra-supercritical coal-fired power plant unit

1 000 MW ultra-supercritical unit

1 000 MW unit

1 000 MW USC unit