神經網絡中的權重衰減（L2正則化）與Dropout相比，主要區別是：A. 權重衰減通過懲罰大權重來防止過擬合，而Dropout通過隨機丟棄神經元來防止過擬合B. Dropout通過懲罰大權重來防止過擬合，而權重衰減通過隨機丟棄神經元來防止過擬合C. 權重衰減和Dropout都是通過懲罰大權重來防止過擬合D. 權重衰減和Dropout都是通過隨機丟棄神經元來防止過擬合
