是α 不是a]=68.ARBFURh1rym2c2FaecwiAO9TlujD_9y16zmE4OEvXf7BUsSEmIewVZQi_jFCc7TkS0aVIfvs9O5mOLPc3IPIDmehUH6uC7gYW63addSqZ_2Z8oznbwQuZLtOyddqqgIgIsoQ2n5mSpRFo9pZ_sO6bII2M5ksXW7xSGCEyheTMswqzUNBODcyuBChna8QLJtg43OiWxiGXsQnnUwnW4Q_zv0pFzQS6nrBPWBMeLj98t8Kz74K9OUnhcy0KNsgmBAhUVU&
tn=K-R