The selection of the reading materials and the difficulty level of the materials are checked in detail.
对阅读材料的选择和难度做了详细的分析。
This paper introduces in detail the construction, function and meth od of campus education platform, gives the education mode based on campus network and discusses some technological difficulty.
本文详细介绍了校园网教学平台的结构、功能及实现方法，提出了以校园网为依托的教学模式，并简要介绍了其中的一些技术难点。
The paper discusses the difficulty presented in deducing Fourier transform formula due to the lens aperture restriction, and analyzes the desired conditions in using the formula in great detail.
本文讨论了薄透镜孔径对透镜傅里叶变换公式导出带来的困难，较全面地分析了使用该公式应满足的条件。
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