1. 什么是激活函数，为什么需要激活函数
In the Middle Ages, troubadours and Arthurian tales recast that longing as "courtly love", a fierce, often forbidden devotion like Lancelot's for Guinevere, in which a knight proved his worth through self-sacrifice for a beloved he might never openly declare.
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number, and then keyed in a PIN. The 2984 sent this information, over the Bisync
「我必須繼續工作，生病會好，但欠錢沒有辦法好。」