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發(fā)布時(shí)間: 2015-9-5 17:50
正文摘要:鋸齒形斜紋也是由山形斜紋進(jìn)一步變化而成的。山形斜紋各山峰之頂位于同一水平線(xiàn)(或鉛直線(xiàn))上,而在鋸齒形斜紋中則不然,各山峰的峰頂處在一條斜線(xiàn)上,各山形連接成鋸齒狀。在方格紙上,每一齒頂高(或低)于前一齒 ... |
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