（一）当事人的姓名、性别、年龄、职业、工作单位、住所、联系方式，法人或者非法人组织的名称、住所和法定代表人或者主要负责人的姓名、职务、联系方式；
There is a special form for boolean formulas called "Conjunctive Normal Form" (CNF). A problem in this form consists of clauses connected with and operators, where each clause only contains variables connected with or operators. The variables can appear negated, but only variables can be directly negated, something like !(a && b) is not allowed. An example boolean formula in CNF form is:
。关于这个话题，heLLoword翻译官方下载提供了深入分析
Update Impracticality: The extensive pre-processing for CH makes it unsuitable for frequent updates, let alone OsmAnd’s goal of supporting near real-time changes through hourly map updates.
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