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航海六分仪
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航海六分仪
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marine sextant
航海六分仪
手持式,用以测量天体高度或物标夹角的精密光学仪器,因其分度的弧长约为圆周长的1/6而得名,是古老的用以测定船舶位置的航海仪器。
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silk ball patterns
Silk bedding
silk bedding
Silk Book of Chu
Silk Books from a Tomb at Mawangdui in Chang Sha
Silk Books of Lao Zi from a Tomb at Mawangdui in Changsha
silk books unearthed from the Han Dynasty tomb at Mawangdui in Changsha
silk box
silk costumes from Cao's tomb in Suzhou
silk costumes from Daiqintala
silk costumes from De'anzhoushi tomb
silk costumes from Dingling
silk costumes from Huahai tomb
silk costumes from Huangsheng Tomb in Fuzhou
silk costumes from Luhuangwang tomb
silk costumes from the tomb of Prince Qi in Acheng
silk costumes from zhaoboyun tomb
silk costumes of Ming dynasty unearthed in the tomb of King Yixuan
silk costumes of Ming dynasty unearthed in the tomb of Wangluo family
silk costumes of Ming dynasty unearthed in Wu's Tomb of Wang's wife in Ningjing
silk costumes unearthed in Mawangdui tomb
silk cotton flower
silk cotton tree
Silk damping
silk defects
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