百科全书知识大全涉及约20 个主要题材 范畴，跨越大约200个专业 主题，而每一个 主题平均相等于500 标准页数的印刷量。
The Encyclopaedia body of knowledge is in about 20 major subject categories and spanned by about 200 subject themes. Each theme is on average equivalent to one print volume of 500 standard pages.
我绝不认为人类的知识能够浓缩到用300万篇百科全书式文章就能描述完整。
I certainly hope humanity can't be distilled into three million articles of encyclopedic knowledge.
但所有这些成绩都有赖于史密斯百科全书一般的知识，才能发现，评估并编辑这些书籍；并且，随着岁月流转，数码技术显然更有效率。
Yet all this depended on Mr Smith's encyclopedic knowledge to find, assess and edit the books; and, as time went on, digital technology proved even more efficient.
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