前言 #179;35%##INTRODUCTION: #(PERCENTAGE) OF THE WHOLE TEXT'S LENGTH = (NUMBEROF WORD IN "前言" / TOTAL NUMBER OF WORDS FOR ARTICLE)*$TOTAL_WORD\{LENGTH} $= \frac{前}{总字数}$$\times$$（文章的总字数）$= （具体计算值，约等于”或具体的数值如：“约为```latex-inline,math.floor((len("") )/TOTAL NUMBER)) ```个词”）