搜索 - 科创

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ADS-B字面意思是“广播式自动相关监视”，他是航空界使用的一种技术。每架飞机上都安装有ADS-B发射机，它们通常在1090MHz发送信标，内容包含飞机的编号、GPS数据、飞行状态代码等信息。ADS-...

13岁少年纠正美国宇航局小行星对地球撞击估计概率——是个假新闻！法新社援引德国新闻报道说，德国一位13岁少年纠正了美国宇航局（NASA）对小行星Apophis在2029年于地球撞击的概率，从1/450...

07年的，貌似对我们中国地区的爱好者没什么帮助。不过我已经有karo了。Karo Syrup is corn syrup. Any other brand of corn syrup may be ...

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