短語詞組短語Satellite orbit precision determination 衛(wèi)星精密軌道確定statistical orbit -determination 統(tǒng)計定軌理論theory of satellite orbit -determination 衛(wèi)星定軌理論Orbit Determination Accuracy 軌道精度;定軌精度high precise orbit determination 精密定軌combined orbit determination 聯(lián)郃定軌dynamic orbit determination 動力學(xué)定軌GPS orbit determination GPS 軌道確定 返回 orbit determination