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编者注：本词条为中国台湾地区学术名词用语，仅供参考。
单词
家燕(白腹亚种)
释义
Hirundo rustica gutturalis
家燕(白腹亚种);家燕;家燕(普通亚种)
Animalia 动物界
Chordata 脊索动物门
Aves 鸟纲
Passeriformes 雀形目
Hirundinidae 燕科
Hirundo 燕属
rustica
物种名录
随便看
center of rudder force
center of rudder pressure
center of shear
center of sheet
center of similarity
center of similarity ; center of similitude
center of span
center of specialization
center of sphere
center of spherical curvature
center of stress
center of supply
center of surface
center of suspension
center of symmetry
center of symmetry
center of the earth
center of the photograph
center of thrust
center of tire contact
center of track
center of turning circle
center of twist
center of twist of beam
center of variation
科学时代收录了3405121条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。
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