搜索 - 科创

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定向天线定向天线最主要的优点是有很好的增益和方向性，能将射频能量集中在一个方向。只要天线指向正确的方向，天线不仅能把信号发射到距离很远的卫星上去，同样也可以帮助我们接收微弱的卫星信号。对接收者来说，通...

目前B卷考试已经不再作为科创发言的必要条件了。因此我在此出一个习题解析，不想被剧透的话就先去做题考试：https://www.kechuang.org/exam该系列只解析我擅长的专业题目，过于简单的...

引用 SamZLim燹灵:学生要求应试教育改为素质教育的事情有关领导全都闭目塞听不知道吗？学生日渐增长的愤怒和不满当权者肯定是能理解到的，难不成有关领导全是猪，体会不到人的情感吗？但要完完全全体会到我...

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