This has the vital significance to catch on the kernel layer of operating system, to dialyse process principle, to discover and study the new Scheduling Algorithm.

这对深入理解操作系统核心层，透析进程原理，研究新的度算法具有意义。

II. Operational principles of airplane flying attitude: mainly reflected in the ailerons ,elevons and rudder operation system.

二、飞机飞行姿态的操作原理——主反映在副翼、升降翼、方向舵操作系统里。