短語詞組短語The Gravity Center Model 重心模型gravity synthetic model 重力模擬模型gravity field model 重力場(chǎng)模型earth gravity field model [地物]地球重力場(chǎng)模型gravity heating model method 重力模型法gravity point model 重心法center of gravity transfer model 重心轉(zhuǎn)移模型earth 's gravity field model DQM2000 地球重力場(chǎng)模型DQM 返回 gravity model