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扑翼机
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扑翼机
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ornithopter
扑翼机
机翼能像鸟和昆虫翅膀那样上下扑动的重于空气的航空器。又称振翼机。
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extracurricular exercises
extracurricular sporting activities
extracurricular sport training
extra dimension
extra dimension model
extradition
Extradition Convention between the Governments of Costa Rica,Guatemala,Honduras,Nicaragua and Salvador
extradural heat hematoma
extraembryonic coelom
extraembryonic ectoderm
extraembryonic endoderm
extraembryonic membrane
extraembryonic mesoderm
extra exposure
extra fine sand made of tailings
extrafloral nectary
extrafocal
extrafocal image
extrafocal photometer
extrafocal photometry
extra-foveal vision
extragalactic
extragalactic astronomy
extragalactic astrophysics
extragalactic background
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