科普知识与现代技术 Popular science and modern
2023-02-12 09:02:47
导读: As we can see, science and technology have been deeply influencing our life. Take our school for example.Now there are several HD-cameras monitoring the whole campus in case of emergency or school b......
科普知识与现代技术 Popular science and modern technology Science and Technology Influence Life As we can see, science and technology have been deeply influencing our life. Take our school for example. Now there are several HD-cameras monitoring the whole campus in case of emergency or school bullying. At meal time, we can watch TV news in the dinning hall, learning the latest international and domestic events. Not only can our teachers use multimedia equipment to make their classes more lively, but also they can mark papers on the computer, which greatly improves the efficiency of paper-scoring. Additionally, we can do many things conveniently, such as paying by Alipay, getting food by card, going to school by shared bike and so on. In a word, it is the development of science and technology that makes such a comfortable and convenient life available to us. 箫和笛子的区别是什么 >> 前往阅读 箫是竖着吹的,笛子是横着吹的;箫不需要贴膜,笛子需要贴膜;箫的音色比较低沉、婉约,笛子的音色比较清脆、嘹亮;笛子大多都是6孔的,萧则有很多种,可以是6孔的,可以是7孔的,也可以是8孔的。笛子是古老的.传统乐器,也是传统乐器中最具代表性最有民族特色的吹奏乐器。中国传统音乐中常用的横吹木管乐器之一,中国竹笛,一般分为南方的曲笛、北方的梆笛和介于两者之间的中音笛。音域一般能达到两个八度多两个。大部分...... 宋朝极弱却不内乱的原因 >> 前往阅读 史书对宋朝一般公认为积贫积弱,但是你不得不佩服在北南两宋的漫长岁月中,朝政内部居然有很难得的干净之处:一是宫内严肃,没有女祸;二是宦官受制,没有阉祸;三是皇族和睦,没有宗室祸;四是女族警戒,没有外戚祸;五是军权统掌,没有强藩祸。一个朝代能同时做到这五点,除了宋以外是找不到的。这也难怪其尽管积贫积弱,却还能存在三百二十年,在史上算是长寿的朝代了。宋朝从宋太祖赵匡胤开始,十分注重避免以往朝代的内乱...... 明成祖朱棣为何要迁都北京 >> 前往阅读 朱棣为何要迁都北京?迁都其实并不是朱棣一个人的想法,朱元璋在位之时就已经准备迁都了,朱元璋认为南京为都于国运不祥。朱元璋为此专门设立了南北二京,以应天府为南京,北京则是开封府,并且把中都设在了自己的老家凤阳。后因两地饱受战乱,城破人稀,所以朱元璋放弃了迁都这两地的心意。朱元璋晚年的时候派太子朱标到关中等地考察,打算迁都关中西安,结果朱标回来之后就病死了,于是迁都之说也就此搁置,朱元璋直至驾崩也...... |