This paper focuses on the design and development technology of multimedia CAI courseware in diesel engine structure practice.
本文主要研究柴油机拆装多媒体CAI课件的设计与开发技术。
It USES only three levels, which is a best practice to keep the structure flexible.
它仅使用三种级别,这是保持结构灵活性的最佳实践。
It's generally not considered good practice to expose the internal structure of your objects.
通常我们认为将对象的内部结构暴露出来是一种不好的做法。
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