spacial target的用法和樣例：
例句
- Our results show that the method proposed in this paper can efficiently describe the luminant characters of the space target.
研究結果表明，文中方法能有效地描述空間目標在天基光電望遠鏡中的光度特徵。 - On the aspect of observation time, it has limited efficiency for low earth orbit target space-based observation, and good efficiency for high earth orbit observation.
在可見時間方面，天基空間目標光學監視系統對低軌目標的監視能力有限，而對高軌目標具有良好的監視性能。
