Diameter-class

常見例句

• In order to forecast accurately height of each diameter class of poplar in Jiangsu Province,the quadric parabola function with five parameters was established.
  用江蘇省楊樹解析木編制了楊樹標(biāo)準(zhǔn)樹高曲線模型,該模型引入了適宜的林分控制因子(樹齡和地位指數(shù)),是具有統(tǒng)計(jì)學(xué)意義的樹高曲線模型。
• Study on Estimation of Stand Diameter Class Volume and Merchant Volume
  林分徑階蓄積量與材種出材量測算的研究
• This lens can magnify 20 diameter.
  這個(gè)透鏡能放大20倍。
• Kindly send us two samples of each class quote for.
  報(bào)價(jià)時(shí)，請(qǐng)對(duì)每一個(gè)等級(jí)的各寄兩個(gè)樣品。
• The diameter of the tree-trunk is about 2 meters.
  這樹干的直徑大約是2米。
• The average age of the boys in this class is fifteen.
  本班男生的平均年齡是十五歲。
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