短語(yǔ)詞組短語(yǔ)major r semi axis 長(zhǎng)半軸major semi -axis of the earth [測(cè)]地球長(zhǎng)半逕Orbital semi major axis 軌道半長(zhǎng)軸semi major axis 半主軸;長(zhǎng)半逕;半長(zhǎng)同semi -major axis compensation 半長(zhǎng)軸補(bǔ)償Semi -major axis modification 長(zhǎng)半軸脩正 返回 major semi axis