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ultrasonic anemometers
释义
ultrasonic anemometers
Encyclopedia
理学
﹝速度测量﹞
释
ultrasonic anemometers
超声风速仪
利用发送声波脉冲,测量接收端的时间或频率(多普勒变换)差别来计算风速和风向的测量传感器或测量仪器。又称超声波风速计、超声波风力计。
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Jades from Tombs of Han Dynasty at Mancheng
jades from Wuyue Empress Ma's Tomb at Linan
jades from Zhongshan State
Jades of Hongshan Culture
Jades of Lingjiatan Culture
Jades of Non-dramatic Songs of the Yuan Dynasty
jades of Shimao Culture
Jades of the Han Dynasty
Jades of the Hongshan Culture
Jades of the Liangzhu Culture
jades of the Song and Yuan Dynasties
jades of the Tang Dynasty
Jades of the Wei Royal Family from Guweicun,Huixian
Jades of Xinglongwa Culture
jade s-shaped ornamental object of the Qing Dynasty
jade stone ware of Xuejiagang Culture
Jades Unearthed from Tomb of Nanyue King of Western Han Period
Jade Sword from Tomb of Marquis Yi of Zeng State
jade sword with bird patterns
Jade Tablet of Xinmang Period
jade toothed trilobate bi-dise from Dawenkou-Longshan Culture
jade toothed trilobate Zhang
Jade Tortoise and Oblate Tortoise Shape Jade from Lingjiatan Site
Jade Tortoise From Lingjiatan Site
jade turtle
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