| 单词 | area unit |
| 释义 | area unit (once / 5909656 pages) n WORD FAMILY area unit: area units n a system of units used to measure areas Syn|Hypo|Hyper square measure sq in, square inch a unit of area equal to one inch by one inch square sq ft, square foota unit of area equal to one foot by one foot square sq yd, square yarda unit of area equal to one yard by one yard square centare, square meter, square metrea centare is 1/100th of an are square milean area of 640 acres quarter sectiona land unit equal to a quarter of a section (160 acres) and measuring 1/2 mile on a side acrea unit of area (4840 square yards) used in English-speaking countries ar, area unit of surface area equal to 100 square meters hectare(abbreviated `ha') a unit of surface area equal to 100 ares (or 10,000 square meters) arpenta former French unit of area; equal approximately to an acre b, barn(physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter dessiatinea former Russian unit of area equal to 2.7 acres morgena South African unit of measure equal to about 2 acres perch, pole, roda square rod of land em, em quad, mutton quada quad with a square body agate line, linespace for one line of print (one column wide and 1/14 inch deep) used to measure advertising column inch, incha unit of measurement for advertising space sectiona land unit equal to 1 square mile unit, unit of measurement any division of quantity accepted as a standard of measurement or exchange |
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