演繁露
演繁露-
尤其对于自然科学的讨论，《演繁露》深得《梦溪笔谈》之精华，并且又有新的创建。
Especially discussion to natural science , Yan fan lu depths get that cream of Men xi bi tan , and have new establishing .
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《演繁露》在文献学方面也颇具价值，书中引用了大量古代典籍，并注明了这些典籍的出处。
The book have quoted the large amount of ancient book and record , and have given clear indication of these ancient book and record sources .
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《演繁露》收录了722则笔记，所记内容十分繁杂，其中有对于前代名物典章制度的考证，也有对宋代史实的记载。
Yan fan lu have included 722 item of notes of complicated content . , included the textual criticism of system in former dynasty and the historical facts in Song Dynasty of political , economy and culture .