面积比

delare a curfew;place(some area)under curfew

physiological cross-sectional area【生理】

area under the concentration versus time curve

the low-tax, tariff-free zone; bonded area; tax-protected zone

area tegmentalis ventralis【解剖】;ventral tegmental area【解剖】;

estimated area of burning

ground floor area【建】

cross-sectional area of fuel-metering orifice