当年幼的孩子学习计算机科学时，他们会知道，计算机科学不仅仅是一串令人困惑、无穷无尽的字母和数字，而是一个开发应用程序、创建艺术作品或检验假设的工具。
When younger kids learn computer science, they learn that it's not just a confusing, endless string of letters and numbers—but a tool to build apps, or create artwork or test hypotheses.
这么说通常意味着使用UML的建模者并不是通过编写计算机程序来开始软件开发项目的。
That's generally taken to mean that UML practitioners don't start a software development project by writing computer programs.
但是，自这时起，该应用程序只能在开发计算机上以托管模式运行。
However, as of yet, that application runs only in hosted mode on your development machine.
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