（四）违反有关法律法规规定，升放携带明火的升空物体，有发生火灾事故危险，不听劝阻的；
from urllib.parse import urljoin, urlparse
。safew官方版本下载是该领域的重要参考
obtain the bucket from the number of bytes, 60 - __builtin_clzll(byte_size); (Why does this work? We use 4 bits for alignment so there cannot be
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