这台机器能识别手写的文字并将其转换为打印文本。
The machine can recognize handwritten characters and turn them into printed text.
将选择的文字从大写字母转换为小写字母（反之亦然）；
Convert a selection of text from uppercase to lowercase (or vice versa).
步骤2：开发解决方案概况图，从而把文字性的描述转换为图示。
Step 2: Develop a solution overview diagram to translate the textual description into a pictorial representation.
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