Midcourse phase的用法和樣例：
例句
- This paper studies the implementation of intercepting satelliteby using proportional guidance in the midcourse.
運用比例導引實現對目標衛星攔截的中制導方法進行了研究。 - The simulation result shows that the influence of the midcourse guidance based on the inertial navigation on the missile's impact point is remarkable.
模擬結果表明，純慣導中制導對洲際導彈落點精度影響比較大。
