How To Make A Perfect Short Field Takeoff
It starts by achieving a short ground roll, and then climbing at the best angle you can to clear obstacles (Vx).
Starts With A Bang podcast #125 — Large-scale structure
大爆炸期间种下的宇宙结构的种子成长为我们今天看到的宇宙网。它告诉我们什么？继续阅读《爆炸开始！》 »
