The NWS Web site features a handy on-line calculator for determining the heat index based on a combination of either temperature and relative humidity or temperature and dew point.

国家气象局(NWS)网站公布了一个方便的在线计算器便于大家基于温度和相对湿度或温度和露点的结合来计算炎热指数。

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And wherever we find them, they reflect the magic of water: a spider web drooping with dew like a rhinestone necklace. A rain-colored heron rising from the creek bank.

不管是在哪儿发现奇迹，我们都会联想到神奇的水：露水下的蜘蛛网像一条莱茵石项链、雨色的苍鹰从小溪边冲天而起。

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Then, after a thousand years, one day, blowing a gale, the wind blew the dew drop spider web.

又过了一千年，有一天，刮起了大风，风将一滴甘露吹到了蜘蛛网上。

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It would seem to me that most of those who energetically campaign against the planting of wind farms in their bosky vales do so not out of a profound appreciation of the dew-jewelled web of life, but merely as spectators who wish the show that they've paid admission for to go as advertised.

BBC: A Point of View: In praise of wind turbines