Multi-platform optimization
但无论是L1还是L2，这些功能均属于辅助驾驶的范畴，驾驶员都需高度集中注意力，随时准备接管，并对驾驶行为负全部责任。
，更多细节参见51吃瓜
The US Space Force owns and operates the GPS constellation, providing civilian and military-grade positioning, navigation, and timing signals to cell phones, airliners, naval ships, precision munitions, and a whole lot more.
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