2022nian12yue9ri,donghangzuoweiquanqiushoufayonghu,zhengshicongzhongguoshangfeijieshoubianhaoweiB-919Adequanqiushoujiajiaofufeiji,C919daxingkejiyanzhichenggong,biaozhizhewoguojubeizizhuyanzhishijieyiliudaxingkejinengli,shiwoguodafeijishiyefazhandezhongyaolichengbei。2(2)02(2)2(2)年(nian)1(1)2(2)月(yue)9(9)日(ri),(,)东(dong)航(hang)作(zuo)为(wei)全(quan)球(qiu)首(shou)发(fa)用(yong)户(hu),(,)正(zheng)式(shi)从(cong)中(zhong)国(guo)商(shang)飞(fei)接(jie)收(shou)编(bian)号(hao)为(wei)B(B)-(-)9(9)1(1)9(9)A(A)的(de)全(quan)球(qiu)首(shou)架(jia)交(jiao)付(fu)飞(fei)机(ji),(,)C(C)9(9)1(1)9(9)大(da)型(xing)客(ke)机(ji)研(yan)制(zhi)成(cheng)功(gong),(,)标(biao)志(zhi)着(zhe)我(wo)国(guo)具(ju)备(bei)自(zi)主(zhu)研(yan)制(zhi)世(shi)界(jie)一(yi)流(liu)大(da)型(xing)客(ke)机(ji)能(neng)力(li),(,)是(shi)我(wo)国(guo)大(da)飞(fei)机(ji)事(shi)业(ye)发(fa)展(zhan)的(de)重(zhong)要(yao)里(li)程(cheng)碑(bei)。(。)
比亚迪西安工厂起火
回忆大学时光,吴光辉感慨颇多:“我刚进校的时候,学习基础不是特别好,物理、化学、英语等课程还行,但是高数明显感觉吃力。”为了赶上其他同学,他把大量课余时间花在高数题目上,有时做完题一抬头,发现整个教室只剩下自己。