If you don't pick up the correct SGML declaration when validating your XML, you will probably receive a lot of error messages.
如果在验证XML时，没有应用正确的SGML声明，则可能收到一些错误消息。
These two mechanisms, coupled with lots of trial and error, is how we can pick up pencil differently than a stapler, and now robots are starting to learn the same way.
通过两种机制和大量试错练习，我们便学会了以不同方式抓取铅笔和订书机。如今，机器人也开始以相同方式进行学习。
These two mechanisms, coupled with lots of trial and error, is how we can pick up pencil differently than a stapler, and now robots are starting to learn the same way.
通过两种机制和大量试错练习，我们便学会了以不同方式抓取铅笔和订书机。如今，机器人也开始以相同方式进行学习。
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