This certificate is invalid.
这张证书是无效的。
I lost my marriage certificate.
我丢失了我的结婚证。
Please show me your birth certificate.
请出示你的出生证明。
I recently received my degree certificate from the university.
我刚从大学毕业并获得了学位证书。
She proudly showed her driver's license certificate to her friends.
她自豪地向朋友们展示她的驾驶执照证书。
The company issued a certificate of authenticity for the artwork.
公司为这幅艺术品出具了真品证明书。
He needs to renew his passport certificate before traveling abroad.
他出国旅行前需要更新护照证书。
A certificate of completion is awarded after finishing a course or program.
完成课程或项目后会颁发结业证书。
She presented her certificate of excellence at the school ceremony.
她在学校典礼上展示了她的优秀证书。
The marriage certificate is a legal document that binds two people in matrimony.
结婚证书是将两个人合法结合的法律文件。
The doctor signed the vaccination certificate, indicating that the patient had been immunized.
医生在疫苗接种证书上签字，表示病人已接种疫苗。
The IT professional earned a certification in project management from a recognized institution.
这位IT专业人士从认可机构获得了项目管理认证。
The HR department verified the employee's employment certificate before processing their salary slip.
人力资源部门在处理工资条之前核实了员工的雇员证书。
Wuhan University president Zhang Pingwen presented Lei with a donation certificate, and the university's Party chief Huang Taiyan awarded him the "Outstanding Education Contribution" medal.
武汉大学校长张平文向雷颁发了捐赠证书，学校党委书记黄太炎为他颁发了“教育突出贡献”奖章。
In July 2022, the Civil Aviation Administration of China conferred the type approval certificate to the AC352, marking the successful completion of the helicopter's research, development and test flights.
2022年7月，中国民用航空局授予AC352型号核准证书，标志着该直升机的研发和试飞圆满完成。
The company officially launched the S300 series helicopter localization work in 2017 and obtained the production license (PC certificate) issued by Civil Aviation Administration of China in 2019.
公司于2017年正式启动S300系列直升机国产化工作，并于2019年获得中国民用航空局颁发的生产许可证（PC证书）。
The subsidiary obtained a bio-jet fuel airworthiness certificate issued by the Civil Aviation Administration of China on Sept 19, which marks the first time that large-scale produced bio-jet fuel will serve the aviation industry in China.
该子公司于9月19日获得了中国民用航空局颁发的生物喷气燃料适航证书，这标志着大规模生产的生物喷气燃油首次服务于中国航空业。
At Shanghai Pudong International Airport, C919's manufacturer Commercial Aircraft Corp of China delivered the aircraft sales certificate and the commemorative key to China Eastern.
在上海浦东国际机场，C919的制造商中国商用飞机公司向东航交付了飞机销售证书和纪念钥匙。
The Civil Aviation Administration of China issued the airworthiness certificate to the airline.
中国民用航空局向该航空公司颁发了适航证书。
"On Nov 29, the C919 received its production certificate from the Civil Aviation Administration of China, or CAAC, in Shanghai, indicating that the aircraft can be put into mass production based on an approved quality control system.
“11月29日，C919在上海获得了中国民用航空局的生产证书，这表明该飞机可以根据批准的质量控制系统投入批量生产。
Two months earlier, the plane received its type certificate, which grants design approval.
两个月前，这架飞机获得了型号证书，获得了设计批准。
The C919 also needs to be given its final airworthiness certificate — a permit for the commercial operation of passenger flights.
C919还需要获得最终适航证书——客运航班商业运营许可证。
The C919, China's first self-developed narrow-body passenger jet, received its production certificate on Tuesday from the Civil Aviation Administration of China in Shanghai, indicating the model can be put into mass production.
C919是中国首款自主研发的窄体客机，周二在上海获得了中国民用航空局的生产证书，这表明该型号可以投入批量生产。