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# 输

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    野的像风 2026-04-28 进行了提
    拨打电话后几乎立刻就能听到对方声音,发消息也很快送达。但信号传输的实际速度是多少?从手机到基站、从基站到网络中心、再传到对方手机,整个过程需要多长时间?信号传输速度取决于什么,为什么有时候很慢有时候很快?
    0 赞同 1 回答
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    年少无为 2026-04-28 进行了提
    城市里到处都是信号塔,乡下也有基站,手机信号就是靠这些设备传递的。但基站是怎么工作的?手机发出的信号怎么被基站接收,基站又怎么把信号传给下一个基站?信号从手机到基站的过程中,是怎么保持稳定的,会不会中途丢失或减弱?
    0 赞同 1 回答
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    商纣王 2026-04-28 进行了提
    拿起手机拨出一个号码,几秒钟后对方的声音就从耳机里传出来。明明两人相隔几百公里,中间没有线缆连接,声音是怎么瞬间到达的?手机发射信号后,信号去了哪里,经过了哪些设备,最后又怎么变成对方手机里的声音?这整个过程是怎么在几秒内完成的?
    0 赞同 1 回答
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    随风而远 2026-04-26 进行了提
    右边输尿管扩张是什么原因导致的?会不会影响肾脏功能
    0 赞同 2 回答
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    不值得 2026-04-26 进行了提
    感冒输液后,出汗很多,不知道这种情况属于正常现象吗
    0 赞同 6 回答
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    全国小幂 2026-04-18 进行了提
    孩子今天流鼻血一直止不住,后来去医院输了液,可回家后孩子却从嘴里吐出血块,这是怎么回事
    0 赞同 2 回答
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    赢勾 2026-04-06 进行了提
    两岁半的宝宝感冒了,有点发烧,流鼻涕,咳嗽还有痰,已经吃两天药了没见好,去门诊看医生,医生说已经到气管了,建议输液,但宝宝从来没打过针,所以没输,只是拿了点药。现在宝宝不爱吃饭,光吃药也不行,以前感冒发烧都是吃药就好,这次怎么这么难搞呢
    0 赞同 1 回答
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    小草 2026-03-25 进行了提
    新生儿溶血怎么预防呢?主要就是妈妈在怀孕期间要定期检查,尤其是血型不合的情况,及时采取措施,比如输血或者药物治疗,避免宝宝出生后出现溶血问题。
    0 赞同 1 回答
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    揽星辰 2026-03-19 进行了提
    月经来得晚,量也少,还怕冷,已经持续三年了,之前做过两次人流,现在输卵管堵塞,一月份做了输卵管通水术。
    0 赞同 1 回答
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    最初 2026-01-14 进行了提
    输液一个半小时后出现发冷和发烧,是不是输液反应
    0 赞同 2 回答
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    花开荼蘼 2025-12-29 进行了提
    感冒引起的咳嗽、恶心、想吐、四肢无力、食欲差,输液多次都没效果。
    0 赞同 2 回答
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    清风折柳 2025-12-21 进行了提
    孩子腹泻8天了,每天都在输液,但情况还是没好,是不是病毒没退呢
    0 赞同 2 回答