By study, for hydrological characteristics and affecting factors of small basin, show that in a same meteorological area, the average annual rainfall of small basin could be determined combine with elevation distribution curve of the basin and its linear change rate of annual rainfall with elevation.
从研究小流域水文特性及其影响因素入手，提出了在同一气候区内，应用小流域高度分布曲线与年降雨量随高度呈线性变化关系，来确定小流域面平均年降雨量，并应用年降雨径流关系分解小流域不闭合的河床地下水潜流量，以提高无资料地区小流域设计径流的技术水平。
The mean annual rainfall ranges from around 1 300 millimetresat Waglan Island to more than 3 000 millimetres around TaiMo Shan.
本港各区的每年平均雨量差别颇大，横澜岛约为1300毫米，而大帽山附近则超过3000毫米。
The rainfall averages 36 inches a year.
年降雨量平均为36英寸.
Rainfall this year exceeded the yearly average.
今年的雨量超过了年平均降雨量。
The rainfall there averages 300 mm a year.
那儿的年降雨量平均每年为三百毫米。
The mountains rejoiced in an average annual rainfall of30 inches.
那山区的平均年降雨量为30英寸。
What is the average annual rainfall in this region?
这个地区的年平均降雨量是多少?
The rainfall average s800mm.a year.
平均每年降雨量为800毫米。
The mean yearly rainfall is20inches.
每年平均降雨量是二十英寸。
The mountains rejoice in an average annual rainfall of thirty inches.
山区的年平均降雨量为30英寸。
Average annual rainfall is900 mm indicating that this is a rather dry area.
平均年雨量900毫米说明该地区相当干旱。
There is very little rain here, merely60 mm in a year on average.
这里的雨水极少，每年平均(水量)有60毫米。
Rainfall averages out in this part of the country at 800mm a year.
我国这个地区的年平均降雨量为800毫米。
THE CHARACTERISTICS OF THE LARGE SCALE MEAN CLOUDINESS OF CONTINUOUS HEAVY RAIN OVER CHANGJIANG AND HUAIHE RIVER BASIN IN 1991
1991年江淮流域持续暴雨的大范围平均云量特征
the average income in New England is below that of the nation; of average height for his age; the mean annual rainfall.
新英格兰的平均收入低于这个民族的；是他这个年龄的平均身高；平均年降雨量。
A particularly high rainfall of 2 575 millimetres - 16 per cent above the annual average of 2 214 millimetres - was recorded in 1998.
年内录得2575毫米的特高降雨量，相较每年平均2214毫米的降雨量，增加16%。
Average annual precipitation ranges between 100 mm in the south central part and more than 1250 mm in the Himalayan foot hills.
年平均降雨量从中南部的100毫米到喜马拉雅山麓的1250毫米。
The average rain falls 100 times out of 356 days in Beijing.
北京一年的平均降雨次数为100次。
The rainfall for that period averaged out at about three inches a month.
那个时期的降雨量平均每月三英寸。