笔墨纸砚是中国古代文人书房当中必备的宝贝,被称为“文房四宝”。用笔墨书写绘画在中国可追溯到五千年前。秦时已用不同硬度的毛和竹管制笔;汉代以人工制墨替代了天然墨;有了纸张以后,简牍锦帛逐失其用;砚台则随笔墨的使用而发展。 “文房四宝”到宋朝以后特指湖笔、徽墨、宣纸、端砚。可以说文房四宝书写了整个中华文明。
海关总署近日发布的数据显示,今年上半年,中国体育用品及设备出口同比增长16.7%,高出同期出口整体增速9.8个百分点。世界贸易组织发布的数据报告显示,全球范围内的体育用品贸易在过去近30年里增长了近3倍,而在这30年间,中国已成为全球最大的体育用品出 ...
2024年世界肺癌大会(WCLC)年会刚刚在美国圣地亚哥落幕。作为全球规模最大的肿瘤领域学术会议之一,WCLC大会发布的最新前沿进展令人目不暇接,内容更是覆盖肺癌领域的方方面面。《肿瘤瞭望》有幸现场采访了IASLC首席执行官Karen ...
穆拉蒂和另两名高级员工的离职正值该公司准备宣布一个新的结构之际——其盈利部门将不再服从于其非盈利基金会下的的董事会。这些变化突显了OpenAI在过去10个月里发生的根本性转变,该公司首席执行官山姆·奥特曼(Sam ...
运动员通过训练去跑得更快,投得更远,跳得更高——那么为什么不同时训练他们的大脑呢?西雅图海鹰队四分卫拉塞尔 · 威尔逊讲述了帮助他在球场内外压力之下保持专注的 "中和思维” 的作用——并且展示了怎样运用这个思维在你的人生中做出正确的决定。
According to data released by the Department of Labor on Friday, the U.S. nonfarm payrolls surged by 254,000 in September, significantly surpassing the expected 132,500 and the revised 159,000 in Augu ...
As a major oil-producing country in the Middle East, Saudi Arabia has long been unwilling to tie its economic lifeline solely ...
Since then, he has been ... lead. "We certainly hope that France will benefit from this," he added. Crucial time comes for China's transformation into a technologically advanced country In 2002, ...
The Mid-Autumn Festival holiday saw a surge in tourism in Guangdong Province, with a record 21.357 million visitors, a ...
gamers from around the globe are deeply engrossed in their controllers, battling it out in the virtual realm at the third ...
Since the 2024 Shanghai International Light Festival opened on Thursday, the main venue of the Shanghai Exhibition Center has attracted more than 60,000 visits.
伦敦最昂贵的住宅如今陷入了有价无市的境地,需求和成交量双双下滑。地产公司莱坊(Knight Frank)的新报告显示,截至7月的前12个月,1000万英镑(约合1320万美元)以上住宅的成交量相比2022-23年同时期下滑了22%。