宁夏银川：夏日湿地荷飘香
1982nian，nanchangfeijishejiyanjiusuozhaodaonanhangfeijishejizhuanyejiaoshouweizhiyihetongshiqianzhisheng，qingtamenxiezhukaizhanqiang-5dingshougongzuo——qiang-5danshengyu20shiji50niandaimoqi，shizhongguodiyizhongqiangjiji；suowei“dingshou”，jiushiquedingfeijideshiyongshouming。1(1)9(9)8(8)2(2)年(nian)，(，)南(nan)昌(chang)飞(fei)机(ji)设(she)计(ji)研(yan)究(jiu)所(suo)找(zhao)到(dao)南(nan)航(hang)飞(fei)机(ji)设(she)计(ji)专(zhuan)业(ye)教(jiao)授(shou)魏(wei)志(zhi)毅(yi)和(he)同(tong)事(shi)钱(qian)智(zhi)声(sheng)，(，)请(qing)他(ta)们(men)协(xie)助(zhu)开(kai)展(zhan)强(qiang)-(-)5(5)定(ding)寿(shou)工(gong)作(zuo)—(—)—(—)强(qiang)-(-)5(5)诞(dan)生(sheng)于(yu)2(2)0世(shi)纪(ji)5(5)0年(nian)代(dai)末(mo)期(qi)，(，)是(shi)中(zhong)国(guo)第(di)一(yi)种(zhong)强(qiang)击(ji)机(ji)；(；)所(suo)谓(wei)“(“)定(ding)寿(shou)”(”)，(，)就(jiu)是(shi)确(que)定(ding)飞(fei)机(ji)的(de)使(shi)用(yong)寿(shou)命(ming)。(。)
2023高性价比耳机特惠
按照惯例，C919设计了5套地面导航台信号接收器——在进近着陆（向机场方向下降接近）阶段，地面导航台会对飞机进行定位和测距，指引飞机准确前进。
