1.
Methods of calculating mean area rainfall with sub watershed area weight
采用子流域面积权重计算面平均雨量方法的探析
2.
The rainfall averages 36 inches a year.
年降雨量平均为36英寸.
3.
Rainfall this year exceeded the yearly average.
今年的雨量超过了年平均降雨量。
4.
The weather in May was typical of the season in terms of precipitation.
五月的天气颇为典型，尤其是雨量方面接近长期平均。
5.
The mountains rejoiced in an average annual rainfall of30 inches.
那山区的平均年降雨量为30英寸。
6.
What is the average annual rainfall in this region?
这个地区的年平均降雨量是多少?
7.
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。
8.
What is the average rainfall for July?
七月份的平均降雨量是多少？
9.
The rainfall average s800mm.a year.
平均每年降雨量为800毫米。
10.
The mean yearly rainfall is20inches.
每年平均降雨量是二十英寸。
11.
What is the average rainfall for August in your country?
你们国家八月份的平均降雨量是多少?
12.
The rainfall there averages 300 mm a year.
那儿的年降雨量平均每年为三百毫米。
13.
The mountains rejoice in an average annual rainfall of thirty inches.
山区的年平均降雨量为30英寸。
14.
The driest month is January with 23.4 millimetres and it rains on only about six days in the month.
一月最少雨，平均雨量仅有23.4毫米，全月大约只有6天下雨。
15.
August is the wettest month with an average rainfall at the Hong Kong Observatory of 391.4 millimetres.
八月的雨量最多，天文台录得八月份的平均雨量为391.4毫米。
16.
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。
17.
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。
18.
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。