词汇	失去活力
释义	失去活力 harden into stone
随便看	model reduction method model reduetion model refactoring model-regulator identity model renewal model repair model reference Model-reference model, reference model reference adaptation oneself model reference adaption model reference adaptive model reference adaptive control model-reference adaptive control model reference adaptive controller model reference adaptive control system model reference adaptive control systems model reference adaptive eontrol model reference adaptive identification model reference adaptive system Model reference auto-adapted model reference control model reference control system model-reference control system Model Reference Fuzzy Adaptive Control