以yi前qian，農nong民min需xu要yao丈zhang量liang土tu地di麵mian積ji的de時shi候hou，往wang往wang是shi采cai用yong測ce繩sheng來lai進jin行xing測ce定ding，但dan是shi這zhe種zhong方fang式shi測ce量liang麻ma煩fan不bu說shuo，而er且qie誤wu差cha還hai大da。因yin此ci對dui於yu現xian代dai農nong業ye麵mian積ji的de丈zhang量liang，就jiu不bu是shi很hen實shi用yong，現xian在zai普pu遍bian采cai用yong的de丈zhang量liang方fang式shi是shi使shi用yong計畝器。計畝器用於農業土地麵積測量顛覆了以往傳統的測定模式，而且提高了測量的效率和準確率。

zaixiandai
，shidaizaijinbu，chuantongxingyebuzhuanbian，jiuhennanfazhanqilai

，nongyeyeshiyiyang，suizhekejishuipingdejinbu
，gezhongjianceyiqidoukaishiyingyongdaonongyeshengchanzhong
，dadatigaolenongyeshengchandexiaolvhexiaoyi。yijimuqiweili
，jimuqishiyikuancaiyongGPS全球衛星定位係統實時提供的經度、緯度、高程等導航和定位信息，針對農田、綠地、森林、水域、山坡等麵積進行測量的專業設備。目前市麵上常見的計畝器設備，用戶普遍反應測量精準、誤差較小，而且可以測量不規則土地麵積
，比傳統的拉皮尺測量要方便許多。

woguodenongyeshengchanzhengzaiyoujiatingshizuoyexiangguimohuazuoyezhuanbian，zaizhegezhuanbianguochengzhong
，youyutudimianjidekuoda
，jimuqidengceliangyiqideshiyonggailvhuiyuelaiyueduo，erqieyaoshixianjingzhunhuanongye
，yelibukaizhexieceliangyiqicedingdejingzhunshuju。youcikejianbingbushijimuqidianfuchuantongxingye，ershixiandainongyedekechixufazhanxuyaoyikaozhexieceliangyiqilaishixian。