参考文献 1.Jens Rasmussen, Skill, Rules, and Knowledge :Signals, Signs, and Symbols and Other Distinctions in Human Performance Models, IEEE TRANSITIONS ON SYSTEMS, MAN, AND CYBERNETICS, VOL. SMC-13, NO.3,MAY/JUNE 1983, P256-266. 2. Grundig Numeric, MANUAL CNC 5000 V200 MILLING, 1994 |