而中国始终坚定奉行自卫防御的核战略，是唯一承诺不首先使用核武器、不对无核武器国家和无核武器区使用核武器的核武器国家，始终将核力量维持在国家安全需要的最低水平。

zhongguozhongyaoxiehuizhongyangzhizhuanweihuifumishuchang、zhongkangkejizhongyaodashujuzhongxinshouxifenxishijiahaibingaosu《zhongguoxinwenzhoukan》，zhecizhongyaocaijiagedeshangzhangfuduheshangzhangzhouqi，zaiyoushujujizaidezhongyaocaishangpinshishangjiweihanjian。tajieshishuo，yibanzhongyaocaijiage3nianyigexiaozhouqi，9nianyigedazhouqi。benlunzhouqiyijingchixu11nian，lianzhang3nian。中(zhong)国(guo)中(zhong)药(yao)协(xie)会(hui)种(zhong)养(yang)殖(zhi)专(zhuan)委(wei)会(hui)副(fu)秘(mi)书(shu)长(chang)、(、)中(zhong)康(kang)科(ke)技(ji)中(zhong)药(yao)大(da)数(shu)据(ju)中(zhong)心(xin)首(shou)席(xi)分(fen)析(xi)师(shi)贾(jia)海(hai)彬(bin)告(gao)诉(su)《(《)中(zhong)国(guo)新(xin)闻(wen)周(zhou)刊(kan)》(》)，(，)这(zhe)次(ci)中(zhong)药(yao)材(cai)价(jia)格(ge)的(de)上(shang)涨(zhang)幅(fu)度(du)和(he)上(shang)涨(zhang)周(zhou)期(qi)，(，)在(zai)有(you)数(shu)据(ju)记(ji)载(zai)的(de)中(zhong)药(yao)材(cai)商(shang)品(pin)史(shi)上(shang)极(ji)为(wei)罕(han)见(jian)。(。)他(ta)解(jie)释(shi)说(shuo)，(，)一(yi)般(ban)中(zhong)药(yao)材(cai)价(jia)格(ge)3(3)年(nian)一(yi)个(ge)小(xiao)周(zhou)期(qi)，(，)9(9)年(nian)一(yi)个(ge)大(da)周(zhou)期(qi)。(。)本(ben)轮(lun)周(zhou)期(qi)已(yi)经(jing)持(chi)续(xu)1(1)1(1)年(nian)，(，)连(lian)涨(zhang)3(3)年(nian)。(。)