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非线性振动近似解析方法
释
direct expansion method
直接展开法
把弱非线性振动系统的解直接展开为小参数的幂级数形式的方法,是原始的摄动法。
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ground level
ground level event
ground level event of solar cosmic ray
ground line
ground literal
ground maintenance support for flight test
ground meristem
ground mobile mapping
ground model
ground motion
ground nadir point
ground navigation phase
ground object reflectance spectrum curve
ground object spectrum
ground object spectrum characterization
ground oil storage tanks
ground operation and control system
ground operator of unmanned aerial vehicle
ground penetrating radar
ground plane
ground positioning orientation and aiming system
ground power supply and distribution test equipment
ground pressure
ground pressure around openings
ground pressure around shaft
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