This paper describes the error in focimeters, the principle of selection on curvature of insideface for vertex power of standard lenses and the method for measuring them.
本文叙述了焦度计的误差，顶焦度标准镜片内表面弯度的选择原则，以及标准镜片的测量方法等。
2
"Gently rub the inside of an avocado peel on your face," says Morgan, "and leave the residue on for about 20 minutes for a moisturizing mask."
摩根说：“将鳄梨皮的内侧在脸上轻轻涂擦，让残留物保留大约20分钟，可以起到保湿面膜的作用。”
3
Then, face exciting rides, shows and attractions that put you inside some of the world's biggest movies.