Early Ernemann Folding Camera, c. 1898 起拍价:EUR280 Suter's Hand Camera Mod. B, 1893 起拍价:EUR180 Astro Stereo 35mm Camera Prototype, c. 1936 起拍价:EUR900 Comprehensive Agfa Presentation Material, c. 1900–2000 起拍价:EUR400 Contax I and Contax T 起拍价:EUR350 Rare Zeiss...
Using a web camera equipped in Jennifer’s Los Angeles apartment , the monitor in Phoenix tracked how frequently her eyes moved form the computer screen and listened for the secret sounds of a possible helper in the room. Her Internet access was locked — remotely — to prevent Internet search...
C.guarantee D.reaction 免费查看参考答案及解析 题目: While Jennifer was at house taking an online exam for her business law class, a monitor a few hundred miles away was watching her every move. Using a web camera equipped in Jennifer’s Los Angeles apartment, the monitor in Phoenix tracked...
Another good thing about the pet care technology is that it lets us monitor (监控) our pets’ activity levels. The device has a camera and sensors (传感器) that can tell us if there’s any unusual activity or if our pets are feeling sad or upset. ...