答案:C核心短语/词汇:camera:照相机句子译文:照相机是什么时候被发明的?:discover的含义是“发现”,及物动词,discovery的含义是“发现”,词性是名词;invent的含义是“发明”,词性是及物动词,invention的含义是“发明”,词性是名词;本题中应该用动词,因此B和D选项排除;A选项的含义与句子不符,本题中应该取“发明”...
The camera was invented in the first half of the 19th century. The question asks about the time when the camera was invented. The camera was invented in 1816 by Joseph Nicéphore Niépce. The 19th century refers to the years from 1801 to 1900. The first half of the 19th century is f...
Digital camera inventor Steve Sasson with the first digital camera invented in 1975. Photo courtesy Eastman Kodak Company. Scientific and military use of this technology led to further refinements of image sensors. Sony introduced the Mavica in 1981, an analog video camera that recorded still frames...
It was developed by Russian scientist Léon Theremin using a video camera connected to a television. It was used to watch visitors coming to the Kremlin in Moscow. When were security cameras invented in America? The earliest security cameras were invented in America in 1949 by Vericon for ...
When was the first video camera invented? When was the Microsoft computer invented? When was the first flash drive invented? When was the first instant camera invented? When was the first robotic arm invented? When was the first machine invented?
百度试题 结果1 题目【题目】 When was the camera invented? A. In 1839. B. In 1873. C. In 1927. 相关知识点: 试题来源: 解析 【解析】A 反馈 收藏
First, let's look at the camera. The camera was invented by Joseph Niepce in 1827. When it was inven- ted. it drew people's attention, because it's used for taking pictures. As for the abacus, it was invented by Chinese people in the sixth cen- tury. It is used for counting. ...
The camera obscura is a device where a tiny hole has been made in a box, and light refracts through the hole to project a mirror-image of the object being 'photographed.' Initially camera obscuras were large enough to sit inside, so people could see the image projected on the opposite ...
So grab your camera, unleash your creative side, and dive into the wonderful world of TikTok possibilities. Trending Challenges One of the most captivating aspects of TikTok is its ever-evolving landscape of challenges. These viral trends capture the imagination and participation of users across the...
If you’ve used any camera in the last 10 years, you’ve probably seen face detection in action: Face detection is a great feature for cameras. When the camera can automatically pick out faces, it can make sure that all the faces are in focus before it takes the picture. But we’ll...