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摄影博客 · 2025-02-16 11:47
新大象版科学五年级下册《光线取室觉》精巧教案
【教学阐明】
原课次要引导学生钻研并了解人眼看到物体的历程中光的流传。应付人眼为什么能够看到物体学保留正在很多舛错的前认知。因而由一组糊口中的情境来引人,可引发学生停行“连环考虑”,逐步修原来人的前认知从而对人眼看见物体的光学历程...
摄影博客 · 2025-02-16 11:46
继半个月前被SCI数据库支录之后，创刊仅一年半的Light: Science & Applications（以下简称Light）再次迎来喜讯：通过Scopus内容选择取咨询卫员会（Content Selection & AdZZZisory Board, CSAB)的严格评审，评...
摄影博客 · 2025-02-11 17:52
The Sigma Art Series has earned a reputation for impressively sharp lenses that offer loads of image quality at prices that often significantly underc
摄影博客 · 2025-02-10 13:01
Samyang has been long known for creating sharp, highly affordable lenses, and in recent years, they have added autofocus capabilities to many, increas
摄影博客 · 2025-02-10 12:59
While it’s always fun to window-shop $14,000 lenses, the best value for the dollar can be had from some simple $30 or less accessories. Over the last...
摄影博客 · 2025-02-10 12:59
Today, Olympus has announced a new, lightweight, ultra wide-angle zoom lens for their Micro Four Thirds (MFT) systems. This versatile lens has the ima
摄影博客 · 2025-02-10 12:58
The Sony E PZ 10-20mm f/4 G is one of the company's newest lenses, and despite its small size and relatively affordable price, it brings with it
摄影博客 · 2025-02-10 12:58
