定西，古丝绸之路重镇，甘肃省会兰州市的“东大门”，因地处青藏高原、蒙新荒漠和东南季风区汇合之处，有独特的土壤和气候条件，成为全国最适宜马铃薯种植的三大区域之一，被称为“中国马铃薯之乡”。被当地人称作“洋芋”的定西马铃薯，形整、质优、储存期长、淀粉含量高，享誉世界。

xinzhongguochenglizhichu，shiyingdangshidejihuajingjitizhi，zhongguozaichengshijianlileyouqiyefuzejiaofeidexianshouxianfudechengzhenzhigongtuixiuzhidu，zainongcunjianlileshiyingrenmingongshetizhidechuantongjiatingyanglaozhiduhewuzinvde“wubaohu”zhidu。新(xin)中(zhong)国(guo)成(cheng)立(li)之(zhi)初(chu)，(，)适(shi)应(ying)当(dang)时(shi)的(de)计(ji)划(hua)经(jing)济(ji)体(ti)制(zhi)，(，)中(zhong)国(guo)在(zai)城(cheng)市(shi)建(jian)立(li)了(le)由(you)企(qi)业(ye)负(fu)责(ze)缴(jiao)费(fei)的(de)现(xian)收(shou)现(xian)付(fu)的(de)城(cheng)镇(zhen)职(zhi)工(gong)退(tui)休(xiu)制(zhi)度(du)，(，)在(zai)农(nong)村(cun)建(jian)立(li)了(le)适(shi)应(ying)人(ren)民(min)公(gong)社(she)体(ti)制(zhi)的(de)传(chuan)统(tong)家(jia)庭(ting)养(yang)老(lao)制(zhi)度(du)和(he)无(wu)子(zi)女(nv)的(de)“(“)五(wu)保(bao)户(hu)”(”)制(zhi)度(du)。(。)