国内在将二维CAD及其软件用于低层次的绘图很普及，但自主开发的三维CAD系统还未成熟。

The two-dimension CAD and its software of low layer are being used to draw is very popular, but the three-dimensional CAD system of independent development is still immature in domestic.

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现代的整体文风越发不尽不实……这类笔法尽管还未普及，但每每在一页败笔中到处冒头。

The whole tendency of modern prose is away from concreteness…This kind of writing is not yet universal, and outcrops of simplicity will occur here and there in the worst-written page.

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