短語詞組短語Graceful performance degradation 實(shí)現(xiàn)得體的性能下降graceful l degradation 降低規(guī)格graceful degradation detail 緩慢降級Ensuring Graceful Degradation for Links 對鏈接確保優(yōu)雅降級Progressive Enhancement and Graceful Degradation 漸進(jìn)增強(qiáng)和適度降級 返回 graceful degradation