（二）阻碍国家机关工作人员依法执行职务的；
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For implementers, this promise-heavy design constrains optimization opportunities. The spec mandates specific promise resolution ordering, making it difficult to batch operations or skip unnecessary async boundaries without risking subtle compliance failures. There are many hidden internal optimizations that implementers do make but these can be complicated and difficult to get right.
"scanners" installed, which supported simple low-speed serial lines or fast,