世界最早的风向计-相风铜鸟 世界最早的风向计相风铜鸟，西汉时创制，立于都城长安(今西安附近)宫中 灵台(后名观象台)。The world's earliest anemoscope phase wind Copper bird world earliest anemoscopephase wind Copper bird, when the Western Han Dynasty created in Changan, capital of Lingtai (present-day Xi'an near the Palace () after the name Observatory).
它是在地上立一根五丈高的长节，竿尖装只可以随风转动的灵巧铜鸟。鸟随风特动，便以此来判定风向。It is a five feet high long Festival on the ground, the rod tip installed only smart bronze bird can rotate with the wind. The bird wind's move, then in order to determine thedirection of the wind.
此.比闰外(欧洲)最早出现的风向计、——“风信鸽”、“候风鸟“要早一千多年，是世界最早的风向计。相风铜鸟是由中国张衡发明的，对于相风铜鸟的有无，国外一直都存在疑问，然而在1971年，河北安平县逯家庄发掘出土的一幅东汉建筑群鸟瞰图中，有一座钟楼上就立有相风鸟。The ratio of intercalated foreign (European). The earliest anemoscope, -- "windpigeon", "weather bird" as early as one thousand years, is the world's earliestanemoscope. Wind Bronze Bird was invented by Zhang Heng of China, for the windcopper species have no, foreign countries all problematic, however in 1971, Anping Hebei Lu Jia Zhuang excavations unearthed a bird's eye view of the Eastern Han Dynasty buildings, there is phase set up a tower on the bird.
从而说明相风铜鸟是世界最早的风向计。西方有此鸟要在12世纪才出现。To illustrate the phase wind Copper bird is the world's earliest anemoscope. The Westhas the bird will not appear in twelfth Century.