「封面解读」增强太赫兹谐波的生成:太赫兹(THz)非线性光子学方向的突破正在为高速无线通信和信号处理领域带来新的可能性。此图描述了一个强太赫兹脉冲照射在石墨烯层堆上的场景。通过一个高阶非线性的相互作用,该过程生成了更高频率的谐波,这些谐波的频率是驱动 ...
Yiche News: Recently, BMW Group officially announced that the panoramic display technology of the line of sight will be applied to BMW's new generation mass-produced models and will be released within ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
但还有的,一直觉得它确实好用,照着真能让皮肤:变白、变嫩、变细腻变紧致,皮肤底子越变越好,甚至毛孔也能改善。 不少明星网红对它趋之若鹜,更有不少同学在后台留言,让我们扒一扒它到底是个啥。
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
导读当地时间 2025 年 3 月 19 日下午02:00,美联储主席鲍威尔在联邦公开市场委员会(FOMC)新闻发布会上透露关键信息,当前美国经济与货币政策前景迷雾重重。经济层面,去年四季度 GDP 虽有 2.3% 的增长,但当下消费者支出趋缓,今年 ...
2025国际产教研融合发展对接会在济南举办,在平行活动“黄河与尼罗河的文明对话”摄影展现场,黄河浪花与尼罗河波纹正在这里完成一场跨越时空的握手。这两条滋养了东方与非洲的母亲河,虽然相隔万里从未交汇,但今天,来自中非摄影师的镜头魔法让她们在光影中跳起了双人舞。
Rob: Well, pumpkins are a symbol of a festival called Halloween and it's on the 31st October every year. Wang Fei: Halloween, ...
超级食物因富含抗氧化剂、维生素和矿物质而备受关注,诸如浆果、牛油果和深色绿叶蔬菜等常见且易于食用的种类尤为人所熟知。然而,当下出现了一种新兴的超级食物——拉丁学名为Chlorella vulgaris的微型藻类。它或许口感欠佳,难以下咽,但其营养价值绝对值得尝试。
Many users believe the price for learning English with the "attractive" and "handsome" star is reasonable. And the course is ...
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