demic 中文意思是什麼
demic
解釋
德米奇-
二., the effection of back - propagation artificial neural network the ann model fitted very well in the study of typhoid fever and paratyphoid fever, viral hepatitis and epidemic cerebrospinal meningi - tis, yet, it did n ' t fit so well in the study of endemic typhus and en - demic encephalitis b. piscuss 1
在bp人工神經網路的預測效果方面，呼吸道傳染病百日咳和猩紅熱、消化道傳染病傷寒副傷寒和細菌性痢疾模型的預測效果較好。蟲媒傳染病的預測效果最差。在干早地區的傳染病預測方面， bp神經網路模型在回代和預測效果方面均優于傳統的多元逐步回歸模型。 -
The writer has been told not merely once by prot. dai nanhai t hat the study of chinese photoxylographical printing is a very hard n ut to crack in the study of the edition of anciant chinese books. wh en was it invented ? as opinions always vary on foreign and chinese aca demic circles ， no unanimous conclusion can be drawn. judged by material ， technological ， and written languags conditions essential to its invention ， it was probably invonted in late sui or northern and southern dynas ties ， but to say it invented in eastern han is absolately impossible
戴南海教授不止一次的給我說:中國雕版印刷術是研究中國古籍版本學的一道大難題。究竟發明於何時，中外學界歷來眾說紛雲，莫衷一是。從印刷術發明的必須具備的物質條件、技術條件和文字條件來衡量，也許在隋或南北朝晚期。
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