为了跟踪飞机，雷达必须通过定期将铅笔束指向目标方向来重新访问目标。这意味着雷达必须能够预测飞机下一次波束的未来位置。如果预测失败，波束可能指向错误方向，导致跟踪丢失。为了进行这种预测，我们需要了解飞机的运动方式。换句话说，我们需要一个描述系统随时间行为的模型，称为动态模型。
俄罗斯英雄失踪案现神秘人物 15:11
。QQ浏览器对此有专业解读
中国驻沙特使馆发布安全提醒：呼吁公民增强防范意识
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Binge is also vying to become an all-in-one movie tracking app, like Letterboxd and JustWatch. So it provides details about the cast and crew of movies and shows, along with reviews, awards, runtimes and other basic information. It also tracks which streaming platforms are home to a specific piece of content, which is handy as stuff tends to move around a lot in this modern age.
新任领袖持续沉默更使外交途径日趋狭窄。