Yahoo奇摩 網頁搜尋

  1. 工程用反光背心 相關

    廣告
  2. 感謝各地機關、企業大量採購!專營反光背心、工程帽、反光斗笠等,價格回饋客戶! 企業大量採購!專營反光背心、工程帽、反光斗笠等,價格回饋客戶!

  3. 美沃奇專業電動工具供應龍頭!提供穩定優質且先進的解決方案,提高生產率和優質耐用度,速洽! 電鑽、電鎬、切割機,高品質鋰電工具&手工具,防護設備、配件一應俱全,歡迎大量採購!

  4. 全球知名運動品牌愛迪達,專業運動及潮流穿搭一次滿足,立即瀏覽最新商品及限時優惠! 無論是日常穿搭,或跑步、瑜珈、球類運動,因應你的各種需求,提供多款機能性服飾,立即探索!

搜尋結果

  1. Mechanical engineering is the study of physical machines that may involve force and movement. It is an engineering branch that combines engineering physics and mathematics principles with materials science, to design, analyze, manufacture, and maintain mechanical systems. [1] It is one of the oldest and broadest of the engineering branches .

  2. Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems which use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the latter half of the 19th century after the commercialization of the electric telegraph, the telephone ...

    • Electrical engineer
  3. en.wikipedia.org › wiki › LidarLidar - Wikipedia

    Lidar (/ˈlaɪdɑːr/, also LIDAR, LiDAR or LADAR, an acronym of "light detection and ranging"[1] or "laser imaging, detection, and ranging"[2]) is a method for determining ranges by targeting an object or a surface with a laser and measuring the time for the reflected light to return to the receiver. Lidar may operate in a fixed direction (e ...

  4. A high school student explains her engineering project to a judge in Sacramento, California, United States (2015). Science, technology, engineering, and mathematics ( STEM) is an umbrella term used to group together the distinct but related technical disciplines of science, technology, engineering, and mathematics.

  5. en.wikipedia.org › wiki › EngineeringEngineering - Wikipedia

    Engineering is the practice of using natural science, mathematics, and the engineering design process[1] to solve technical problems, increase efficiency and productivity, and improve systems. Modern engineering comprises many subfields which include designing and improving infrastructure, machinery, vehicles, electronics, materials, and ...

  6. The visible spectrum is the band of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light (or simply light). The optical spectrum is sometimes considered to be the same as the visible spectrum, but some authors define the term more broadly, to include the ...

  7. Incandescent light bulb. A 230-volt incandescent light bulb with a medium-sized E27 (Edison 27 mm) male screw base. The filament is visible as the mostly horizontal line between the vertical supply wires. A scanning electron microscope image of the tungsten filament of an incandescent light bulb. Elaborate light in Denver, Colorado.

  1. 其他人也搜尋了