《西游记》第六十八回中，写到孙悟空利用“悬丝诊脉”之法治好了朱紫国国王的病，所谓“悬丝诊脉”，相传
推荐回答（4个）
历史上是否真的有悬丝诊脉之事？病人的脉象能否通过丝线传导给医生呢？为了弄清这个问题，曾有人专门请教过北京四大名医之一的施今墨老先生。 施老先生曾给清廷皇室内眷看过病。他介绍说，这悬丝诊脉可说是亦真亦假。所谓真者，确曾有其事；所谓假者，悬丝纯粹是一种形式。原来，大凡后妃们生病，总要由贴身的太监介绍病情，太医也总是详细地询问这些情况，诸如胃纳、舌苔、二便、症状、病程等。为了获得真实而详尽的情况，有时太医还要给太监送些礼物。当这一切问完之后，太医也就成竹在胸了。到了悬丝诊脉时，太医必须屏息静气，沉着认真。这样做，一是谨守宫廷礼仪，表示臣属对皇室的恭敬；二是利用此时暗思处方，准备应付，以免因一言不慎、一药不当而招祸。 可见“悬丝诊脉”虽确有此事不过蒙上了神秘色彩的骗人形式而已如果太医事先不通过各种途径获知详细病情不论他医术多高明光靠“悬丝诊脉”不会看好娘娘公主们的病的。
应该和土电话原理相似
土电话：用粗棉线（俗称“小线”）栓上两个纸盒，一人对着纸盒讲话，另一人把纸盒贴在耳朵上。就听到了声音。
制作方法
①话筒。找两只塑料冰淇淋杯或纸杯，用剪刀把杯底剪掉。每个纸杯都是既做话筒又做听筒。
②振动膜。用牛皮纸做振动膜。将纸剪成圆形，比纸杯底直径略大。用胶水将圆贴在杯底，纸尽可能拉紧。
③穿线。找一根几米长的棉线， 把两个纸杯连起来，用大头针在纸杯振动膜中心穿一小孔，把棉线分别穿入两个纸杯中，并打个结。这样，土电话就做成了。
原理
1.不一样大。 传送的原理是棉线与细钢丝线比空气传播振动的能力强。 物体的刚性越好，传播声音（振动）的能力越强。 空气的刚性很差，所以我们知道大地传播声音的速度更快，钢铁更是。 棉线绷紧了刚性很好，但松弛状态下就极差了，所以，不能起传播声音的作用了。 即使听到对方的声音，也是通过空气传播的。
2 能你的手不能阻止振动的传送。
《西游记》第六十八回中，写到孙悟空利用“悬丝诊脉”之法治好了朱紫国国王的病，所谓“悬丝诊脉”，相传是将丝线系在病人手腕上，医生从线的另一端就可以感受出病人的脉搏跳动情况，从而来诊断病情，你能说出“悬丝诊脉”的原理吗
悬丝诊脉，听诊器都是利用固体可以传声和振动的原理来辨别病人的脉搏跳动不同来辨别病情的！
固体传递声音能力更强
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