這張測(cè)試卡設(shè)計(jì)目的是檢測(cè)文件復(fù)制品的可讀性。

在數(shù)字為84圖案內(nèi)的八邊形圖案的兩條的方向必須在沒有7選擇8符號(hào)的識(shí)別問題。

The chart is designed to check the readability of the reproductions of documents.

In pattern number 84 the direction of the two lines inside the octagon must be recognized without problems for 7 out of 8 symbols.