单词catchment area
un.: 集水面积
网络: 汇水面积；集水区；排水区
（学校的）招生地区；（医院等的）服务地区:
the area from which a school takes its students, a hospital its patients, etc.
汇水区；汇水面积:
the area from which rain flows into a particular river or lake
集水面积
The total land area that contributes surface runoff to a river or lake is called a watershed, fiver basin, or catchment area.
为某一江河或湖泊提供地表径流的整个陆地面积称作流域、河流盆地或汇水面积。
Reduction of the catchment area could increase the sensitivity of other parameters, providing better condition for parameter calibration.
减小汇水区面积的不确定性可提高其他参数的灵敏度，有利于参数的有效识别。
Advertising beyond your catchment area , except as part of a planned expansion, is money wasted.
除了计划扩张的地区外，不在你的商业目标范围内的广告投放是一种浪费。
Because it was unable to supply big new customers, companies have tended to set up new factories outside its catchment area.
许多新的大客户正因为它无法保证足够电力供应而更愿意在它的下游建立新工厂。
When this service works, patients need to travel less to a specialist or conversely the specialist has a larger catchment area .
当这个服务工作时，病人不必旅行到专科医生处，或相反，专门医生有更大的下游地域。
There are obvious differences in feldspar content between the north and south sides of the catchment area.
汇水区南北的长石含量存在明显差异。
When they arrive, its three-year-olds, chosen non-selectively by catchment area, are well behind the national average.
实验开始时，学校接收的是本学区三岁的孩子，这无可选择，他们的入学水平远远落后于全国的平均水平。
The lower the rail journey time falls below 3 hours, again, the greater the potential catchment area for the rail service.
较低的铁路行车时间低于3小时，同样，更大的潜力集水区的铁路服务。
Mekong river nature reserve is the catchment area of international famous mekong river.
澜沧江自然保护区为国际著名河流澜沧江的直接汇水区。
The catchment area played a dominant role in determining surface runoff.
结果表明，汇水区面积对总产流起决定性作用。