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1.A Dutch and South African unit of land area equal to2.1 acres.
摩肯荷兰和南非使用的土地面积单位，相当于2。1英亩收藏指正
2.The volume of water,43, 560 cubic feet, that will cover an area of one acre to a depth of one foot.
英亩－英尺灌溉水量单位，相当于43，560立方英尺，相当于1英亩地1英尺深的水量收藏指正
3.an ancient Roman unit of length equivalent to 1620 yards.
罗马长度单位相当于码。收藏指正
4.space for one line of print (one column wide and 1/14 inch deep) used to measure advertising.
报纸上的广告面积单位。收藏指正
5.a land unit of 1 square mile measuring 1 mile on a side.
土地单位相当于一平方英里其中一边长一英里。收藏指正
6.The island has an area of 1 4 sq . km .
这个岛的面积是１４平方公里。收藏指正
7.The recommended gradient is to be 1:4 (i.e., about 1 unit out for every 4 units in height).
推荐斜率为1:4（即：每延伸4个单位增加1个单位高度）。收藏指正
8.a former French unit of area; equal approximately to an acre.
法国旧制面积单位；约等于一英亩。收藏指正
9.a South African unit of measure equal to about 2 acres.
南非使用的土地面积单位约等于英亩。收藏指正
10.an angular unit used in artillery; equal to 1/6400 of a complete revolution.
用于炮兵的角度单位；相当于周角。收藏指正