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DJ-310X系列樹木(mu)胸徑(jing)生長測(ce)(ce)(ce)量(liang)環(huan)是(shi)非常簡單易用(yong)(yong)的(de)測(ce)(ce)(ce)量(liang)樹木(mu)胸徑(jing)變(bian)化的(de)工具。使(shi)(shi)用(yong)(yong)激光(guang)蝕刻(ke)(ke)工藝,刻(ke)(ke)度(du)(du)(du)清(qing)晰,讀取方便,長時間使(shi)(shi)用(yong)(yong),刻(ke)(ke)度(du)(du)(du)不(bu)會消失(shi);不(bu)銹鋼材(cai)質,野外長期使(shi)(shi)用(yong)(yong)不(bu)會生銹。使(shi)(shi)用(yong)(yong)刻(ke)(ke)度(du)(du)(du)以(yi)(yi)π為單位,可(ke)(ke)直接(jie)讀取直徑(jing)以(yi)(yi)及監測(ce)(ce)(ce)直徑(jing)變(bian)化量(liang);使(shi)(shi)用(yong)(yong)彈簧作為固定裝置,對樹木(mu)無傷害,可(ke)(ke)以(yi)(yi)做到(dao)無損(sun)長期監測(ce)(ce)(ce)。游標尺(chi)與主尺(chi)一體化設計,都在一個平面(mian)上,