我們所熟知的自動數粒儀主要用於糧食作物如稻穀、小麥、高粱等顆粒的自動計數
，在農業科技推廣站、nongyeyuanxiaohezhongzigongsikaochazhongzipinzhizhibiaocedingqianlizhongdouyouguangfanyingyong。jintiantuopuyunnongdexiaobianhaiyaogeidajiajieshaoyikuantadetongleichanpin，zhenkongshulizhizhongyi，liangzhongyiqitongyangdoujuyoushuligongneng，youhenduorenbunenghenhaodequfentamen，duici，xiaobianzhenglileliangzhezhijiandequbiefenxianggeidajia。
    真空數粒置種儀是用於對種子進行數粒、吸(xi)種(zhong)和(he)置(zhi)種(zhong)用(yong)的(de)
，一(yi)般(ban)在(zai)計(ji)算(suan)種(zhong)子(zi)發(fa)芽(ya)率(lv)時(shi)會(hui)用(yong)到(dao)

，而(er)數(shu)粒(li)儀(yi)是(shi)種(zhong)子(zi)千(qian)粒(li)重(zhong)測(ce)定(ding)的(de)專(zhuan)用(yong)儀(yi)器(qi)，它(ta)根(gen)據(ju)不(bu)同(tong)的(de)原(yuan)理(li)可(ke)以(yi)分(fen)為(wei)光(guang)電(dian)自(zi)動(dong)數(shu)粒(li)儀(yi)和(he)微(wei)電(dian)腦(nao)自(zi)動(dong)數(shu)粒(li)儀(yi)。其(qi)中(zhong)光(guang)電(dian)自(zi)動(dong)數(shu)粒(li)儀(yi)采(cai)用(yong)了(le)光(guang)電(dian)轉(zhuan)換(huan)原(yuan)理(li)，區(qu)別(bie)於(yu)其(qi)他(ta)種(zhong)子(zi)數(shu)粒(li)儀(yi)而(er)已(yi)，常(chang)用(yong)於(yu)種(zhong)子(zi)千(qian)粒(li)重(zhong)、種子發芽率等參數的測定。

下麵我們就具體的從真空數粒置種儀和自動數粒儀功能和結構出發
，講一講具體的區別。
    真zhen空kong數shu種zhong置zhi床chuang儀yi，如ru果guo單dan看kan它ta的de名ming稱cheng，你ni就jiu會hui想xiang到dao這zhe款kuan儀yi器qi是shi能neng夠gou數shu種zhong和he置zhi種zhong的de。的de確que
，真zhen空kong數shu種zhong置zhi床chuang儀yi專zhuan門men用yong於yu種zhong子zi發fa芽ya試shi驗yan過guo程cheng中zhong的de數shu種zhong
、xizhonghezhizhongyong。danshiqizhongdezhizhonggongnengzuiweiqiangda
，tadeyuanlishiliyongchouqukongqi，jinxingxizhong。yibande，meigezhizhongpanshiyibaigekong
，fayahegenguojibiaozhuntongyong，yicinenggouxizhongyibaili，ranhouzhijiefangzaifayahezhong，paifangzhengqi
，shengquleyongnieziyililipaifangdemafan。dadatigaolezhongzifayadexiaolv。yinci
，zhenkongshuzhongzhichuangyizuizhuyaohezuiguanjiandegongnengshizhichuang
，zaifayashiyingyongzuiweifangbian。erzidongshuliyishiliyongguangdianzhuanhuan，jiangzhongzidongnengdedaodeguangmaichong

，zhuanhuaweidianyadegaodi，zaijinxingjishu。yibanzaishuliqianwomendouxuyaoyuzhilizishu，ranhoushuliyidejishudaodayudingdeshumushi，yiqijiuhuizidongtingzhijishu。zidongshuliyizuidazuiguanjiandegongnengshishuli，yincizaizuoqianlizhongzhibiaozuihao。
    結合上文所述，真空數粒置種儀和自動數粒儀在各自的領域都“大顯身手”，發揮著各自的優勢
，這也正是它們的區別所在。