防作弊的视力检测箱

Description

本作品由箱体、可旋转字母符号、按钮组成。通过按动按钮，可旋转字体符号，我把每个视力符号等级设计成一个字母符号来表示，并且每个字母都可以通过按钮来旋转，可以正转与反转，也可以随意转动几圈，然后停止转动，这样可以让检测视力的人无法死记硬背视力符号。
在检测视力过程中，根据视力符号的大小，从大到小，逐一检测，以此类推，这样就可以有效防止检测视力时出现作弊行为。
“防作弊的视力检测箱”，操作简单、方便、实用性强。体现在视力检测过程中的公正、公平。真正有效地控制了视力检测中作弊行为。

This works is made of cabinet, rotatable letter character, button. Pass through button press, rotatable font characters, each eyesight symbol level is designed to a letter character to indicate by I, and each letter can be rotated by button, it can be with forward and reverse, several circles can also be arbitrarily rotated, are then stopped operating, can allow the people to give a test of one's eyesight that can not memorize mechanically eyesight symbol in this way.
During giving a test of one's eyesight, according to the size of eyesight symbol, from big to small, detect one by one, and so on, it thus can be effectively prevented and occur cheating when giving a test of one's eyesight.
" the eyesight detection case of anti-cheating ", it is simple, convenient, practical. It is just, fair in eyesight detection process to be embodied in. Cheating in eyesight detection is really efficiently controlled.