短語(yǔ)詞組短語(yǔ)barycentric velocity 重心速度barycentric oscillation 質(zhì)心擺動(dòng)barycentric referential 質(zhì)心參考系barycentric energy [物]重心能量barycentric system 重心系barycentric complex 重心復(fù)形barycentric element [天物]質(zhì)心要素barycentric notation 重心符號(hào)barycentric momentum 質(zhì)心動(dòng)量barycentric coordinates 重心坐標(biāo)；質(zhì)心坐標(biāo) 返回 barycentric