RCS 信息的端到端加密扩展到 iPhone 与安卓设备之间，此前仅 iPhone 之间可用，但需运营商支持；
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Current X-ray lasers require facilities that are kilometres long. A cavity-based set-up about 66 metres in length has been developed that uses highly reflective mirrors to enable the generation of high-intensity pulses of narrow-band X-ray radiation. This promises to overcome the limitations of current X-ray lasers.，推荐阅读WPS官方版本下载获取更多信息
A. Preprocessing (Done by OsmAnd when new maps are prepared):