天气预报15天查询> 其他> 风速9米每秒是几级风

风速9米每秒是几级风

更新时间: 2020-11-12 00:00:00     

每秒9米,大约相当于5级风的风速,一般规定为离地面10米高的风速来确定风力等级。

也有一些口诀来帮助记忆,比如“从一直到九,乘2各级有”,就是说,在九级风以下,风速等级乘以2就大约得到该级的风速。比如6级风,风速大约就是6x2=12米/秒,以此类推。

关键词: 风速

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-1322609/ | 耗时:0.5299 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1322609 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1322609 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1322609 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1067327,1131347,1081747,1086099,1048002,1067697,1045314,1075859,1064147,1089008,1052887,1066132,1077569,1082333,1084427,1067880,1052105,1075975,1078599,1089078,1071475,1081441,1076452,1068782,1055039,1085388,1120410,1063135,983947,1065281) ORDER BY field (ArticleID,1067327,1131347,1081747,1086099,1048002,1067697,1045314,1075859,1064147,1089008,1052887,1066132,1077569,1082333,1084427,1067880,1052105,1075975,1078599,1089078,1071475,1081441,1076452,1068782,1055039,1085388,1120410,1063135,983947,1065281)