Fermaw added checks along the lines of:
第二十九条 增值税法第二十四条第一款第七项所称托儿所、幼儿园，是指依据有关规定设立的取得托育或者学前教育资格的机构，其免征增值税的收入是指有关收费标准规定以内的保育费、保育教育费；养老机构，是指依据有关规定设立的为老年人提供集中住宿和照料护理服务的各类养老机构；残疾人服务机构，是指依据有关规定设立的专门为残疾人提供相关服务的机构。
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It’s worthwhile to prepare a single “Bootstrap” place for each module. So the executable’s Entrypoint (mentioned above) can easily compose the application out of modules without needing to know how to wire modules’ internals. For instance, in the SignalFilter module I could create a SignalFilterModule.cs file with the bootstrap code. Yet for FirmwareDispatcher I would place this code in the companion Infrastructure-Module, i.e. in the FirmwareDispatcherInfraModule.cs (so there is just one bootstrap code for the pair);
The algorithm also visits children in order of distance to the query point. This means it checks the most promising quadrants first, which tends to find a good candidate early and enables aggressive pruning of the remaining quadrants. Without this ordering, the algorithm would still produce the correct result, but it would prune fewer nodes.