《沿着纬度听中国》第一季北纬30度第二集《人水相依》
zhongguonongyekexueyuannongyeziyuanyunongyequhuayanjiusuoyanjiuyuanjiangwenlaixiangzhongxinsheguoshizhitongchebiaoshi，henanshengshizhongguoshisangeliangshizhuchanquzhiyi，xiaomaipinzhiyehenhao，shiquannianguojialiangshishouhuodezhongyaobufen，tongshi，zuoweiliangshidasheng，maishoushourushidangdinongmindezhuyaoshourulaiyuan，youqishizaishouhuojijie，nongminduixiaomaishouchengqingkuanggengjiamingan。中(zhong)国(guo)农(nong)业(ye)科(ke)学(xue)院(yuan)农(nong)业(ye)资(zi)源(yuan)与(yu)农(nong)业(ye)区(qu)划(hua)研(yan)究(jiu)所(suo)研(yan)究(jiu)员(yuan)姜(jiang)文(wen)来(lai)向(xiang)中(zhong)新(xin)社(she)国(guo)是(shi)直(zhi)通(tong)车(che)表(biao)示(shi)，(，)河(he)南(nan)省(sheng)是(shi)中(zhong)国(guo)十(shi)三(san)个(ge)粮(liang)食(shi)主(zhu)产(chan)区(qu)之(zhi)一(yi)，(，)小(xiao)麦(mai)品(pin)质(zhi)也(ye)很(hen)好(hao)，(，)是(shi)全(quan)年(nian)国(guo)家(jia)粮(liang)食(shi)收(shou)获(huo)的(de)重(zhong)要(yao)部(bu)分(fen)，(，)同(tong)时(shi)，(，)作(zuo)为(wei)粮(liang)食(shi)大(da)省(sheng)，(，)麦(mai)收(shou)收(shou)入(ru)是(shi)当(dang)地(di)农(nong)民(min)的(de)主(zhu)要(yao)收(shou)入(ru)来(lai)源(yuan)，(，)尤(you)其(qi)是(shi)在(zai)收(shou)获(huo)季(ji)节(jie)，(，)农(nong)民(min)对(dui)小(xiao)麦(mai)收(shou)成(cheng)情(qing)况(kuang)更(geng)加(jia)敏(min)感(gan)。(。)
飞机的窗户，为什么都是圆角?
相比以前的制造业，现在的信息服务产业有着更强的规模效应。大国往往一开始就能领先于小国，取得一个大规模的用户群，使得算法可能领先于小国一年两年。等算法比较成熟了，在自己的市场上取得了收益和经验后，就可以占领小国的市场。
