要按内容进行搜索，必须首先导入一个图像或绘制一个草图，然后用它来从一个集合中查询或呈现图像。
To search image by content, you must first import an image, or draw a sketch, that you can use to query and present images from a collection.
它提供了基本的绘制字符的功能，并且对呈现所做的假设很少。
It provides basic character-drawing functions and makes few assumptions about rendering.
由此呈现的数据结果让人震惊：以一种风格绘制的26个符号在无数遗址上一次又一次出现（参见图示）。
What emerged was startling: 26 signs, all drawn in the same style, appeared again and again at numerous sites (see illustration).
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