或者通常需要高中，大学或行业起重机操作课程。
High school, college or industry courses in crane operating are usually required.
更准确地说，他们都假设这些学生对其中的某种语言已经有足够的基础，因此一堂系统或者网络的操作课程很少有时间来训练编码的设计或者易读性。
Rather, they assume students have sufficient grounding in one language or another, so a course in operating systems or networks seldom includes any time devoted to coding style or readability.
这应该在像人工智能、数据库，和操作系统这样的课程中相当地容易。
This should be reasonably easy in courses like artificial intelligence, database, and operating systems.
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