中国也采取了措施来保护学生的视力，比如课本上印刷更大的字体、每天至少两个小时的户外活动、定期视力检查、减少看电子书的时间等。

China has also taken steps to protect the students' eyesight, such as larger printing in students' textbooks, at least two hours' outdoor activities a day, regular eyesight checking, less time on E-books and so on.

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我们一般检查(书籍印刷人的)证据并跟我们自己的对照。

We are naturally examining [the book publishers'] evidence and comparing it with ours.

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另外，一些用于医药品印刷的机器也安装了广泛的安全检查系统。

What's more, the versions of these machines used for pharmaceuticals are also equipped with extensive safety inspection systems.

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