Beth Alaw WilliamsBBC Wales
（二）投放虚假的爆炸性、毒害性、放射性、腐蚀性物质或者传染病病原体等危险物质扰乱公共秩序的；
。新收录的资料对此有专业解读
Rodney Benson, a media professor at New York University, called the deal "concerning", would leave America's largest media companies further concentrated in the hands of conservatives. Many of those owners, including the Ellison family, have separate, non news-related business interests that depend on government contracts or regulation and are therefore particularly vulnerable to pressure, he adds.
all the boolean operations on character sets become bitwise operations: intersection is AND, union is OR, complement is NOT. checking if a byte belongs to a set is a single bit test. checking if two sets are disjoint is AND followed by comparing to zero. these are all constant-time operations, and on AVX2 each one is a single instruction over the full 256 bits.