The trajectory tracking system of BTT missile was studied. The nonlinear acceleration guidance logic was used on the outer loop to accomplish guiding. The acceleration autopilot was used on the inner loop.是什么意思_The trajectory tracking system of BTT missile was studied. The nonlinear acceleration guidance logic was used on the outer loop to accomplish guiding. The acceleration autopilot was used on the inner loop.在线翻译_英语_读音_用法_例句