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marine sextant
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marine sextant
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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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superallowed transition
superalloy
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super-amphiphobic and strong self -cleaning and high efficiency water based drilling fluid
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super antigen
superassociation
superassociative
superasymptotic series
superatom
superatomic Boolean algebra
super-attractive point
superaudible frequency
superaudio frequency
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super BCFW
super-BCFW
Super B factory
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superblack
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更新时间:2026/9/17 18:51:58