据古籍《世本》记载,石磨也是鲁班发明的。一次,鲁班看到一个老太太在一点一点地用木棍磨谷物。鲁班用两块比较坚硬的圆石,各凿出密布的浅槽,合在一起,用人力或畜力使它转动,就把谷物磨成粉了。据说,刨子、曲尺、钻、凿子、墨斗等都是他发明的。这些实用工具把人们从原始、繁重的体力劳动中解放出来。
China will continue to facilitate cross-border travel, welcoming people from all countries to visit and experience its ...
BEIJING, Nov. 27 (Xinhua) — Chinese President Xi Jinping has sent congratulations to a UN meeting held on Tuesday to commemorate the International Day of Solidarity with the Palestinian People.
管理文章     管理文章 Managing today’s workforce requires a certain skill set. Here are ten skills every manager needs to master to ...
FUZHOU, Nov. 26 (Xinhua) — China has built more than 9,100 intangible cultural heritage workshops nationwide, spanning over 1,721 county-level areas, according to a meeting held by the Ministry of ...
“The smartest people in the world work for someone else——世界上最聪明的人总在为别人工作。”这是“开放式创新之父”Henry Chesbrough最为著名的观点之一。 2016年,Plug ...
BEIRUT, Nov. 23 (Xinhua) -- At least 20 people were killed and 66 others injured on Saturday in an Israeli airstrike on a residential building in the Lebanese capital Beirut, Lebanon's Ministry of ...
大都市正日益成为亿万富翁的居住和工作之地,因为排名前15位的城市汇聚了全球亿万富翁总数的28%。美国城市(纽约和洛杉矶)的亿万富翁人数增长尤为迅猛,而中国中心城市却因经济挑战经历了人口流失。(财富中文网) ...