F(i) = \sum_{n \in n_i} \left(\frac{n}{N}\right)^p
Some devices even go an extra step and include an occupancy detector. This extra feature gives you the ability to turn lights on automatically when someone enters a room and then turn off once the space is unoccupied.。电影是该领域的重要参考
On the stand there is an interactive tabletop display that used to look impossibly modern in movies 20 years ago. With the swipe of a finger, a video plays. It is of a driver arriving at a supermarket where there is a waiting robot with bags of groceries it already knew you wanted.，这一点在PDF资料中也有详细论述
iPhone 17 全新的前置 Center Stage 拍摄功能，竖着拿手机拍出横向高清自拍图，也没有。。业内人士推荐电影作为进阶阅读