While technical and regulatory challenges make producing electricity for Earth difficult, Alkalai, a fellow at the Caltech-managed Jet Propulsion Laboratory, was struck by the idea of using the design to power space-based processors. (Aetherflux, a space solar power startup, has had a similar realization.)
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（五）提供信息搜索服务的，应当采取监测发现、防范、阻断、处置违法信息传播、推广的措施；提供付费信息搜索服务的，应当依法核验客户资质，明确付费搜索信息页面比例上限，并对付费搜索信息加注显著标识；，详情可参考51吃瓜
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What's the difference between a wifi booster and extender?