双语新闻：长征系列运载火箭第520次飞行，成功！
Long March 6C, the latest member in China's Long March carrier rocket family, conducted its debut flight on Tuesday morning, sending four small satellites into space.
长征六号丙是中国长征运载火箭家族的最新成员，于周二上午进行了首次飞行，将四颗小型卫星送入太空。
长征六号丙是中国长征运载火箭家族的最新成员，于周二上午进行了首次飞行，将四颗小型卫星送入太空。
The 43-meter-tall rocket blasted off at 11:21 am at the Taiyuan Satellite Launch Center in a mountainous region in Shanxi province and soon placed four satellites － a radar satellite, an optical remote-sensing satellite and two experimental satellites － into their preset orbit, according to the Shanghai Academy of Spaceflight Technology, developer of the rocket model and a subsidiary of State-owned conglomerate China Aerospace Science and Technology Corp.
这枚43米高的火箭于上午11点21分在山西省山区的太原卫星发射中心发射升空，很快将四颗卫星——一颗雷达卫星、一颗光学遥感卫星和两颗实验卫星——送入预定轨道。
这枚43米高的火箭于上午11点21分在山西省山区的太原卫星发射中心发射升空，很快将四颗卫星——一颗雷达卫星、一颗光学遥感卫星和两颗实验卫星——送入预定轨道。
The two-stage launch vehicle has a diameter of 3.35 meters and is propelled by three engines consuming liquid oxygen and kerosene.
两级运载火箭直径3.35米，由三台消耗液氧和煤油的发动机推动。
两级运载火箭直径3.35米，由三台消耗液氧和煤油的发动机推动。
With an overall liftoff weight of 215 metric tons, the model is capable of transporting spacecraft with a combined weight of about 2.4 tons to a typical sun-synchronous orbit with an altitude of 500 kilometers, according to Li Chenggang, its chief designer at the Shanghai academy.
上海科学院总设计师李成刚表示，该模型的总起飞重量为215公吨，能够将总重量约2.4吨的航天器运送到500公里高度的典型太阳同步轨道。
上海科学院总设计师李成刚表示，该模型的总起飞重量为215公吨，能够将总重量约2.4吨的航天器运送到500公里高度的典型太阳同步轨道。
Research and development of the new rocket started in early 2020, he said, noting that the model will mainly be used to meet demands from commercial space enterprises by transporting their small and mid-sized satellites to sun-synchronous orbits.
他说，新型火箭的研发始于2020年初，并指出该型号将主要用于满足商业航天企业的需求，将其中小型卫星运送到太阳同步轨道。
他说，新型火箭的研发始于2020年初，并指出该型号将主要用于满足商业航天企业的需求，将其中小型卫星运送到太阳同步轨道。
By now, the country has developed and launched more than 20 types of Long March-series rockets. The Long March family is the pillar of the country's space programs and has fulfilled 520 launch missions.
到目前为止，中国已经研制并发射了20多种长征系列火箭。长征大家庭是中国航天计划的支柱，已经完成了520次发射任务。
到目前为止，中国已经研制并发射了20多种长征系列火箭。长征大家庭是中国航天计划的支柱，已经完成了520次发射任务。
Following its successful maiden launch, the Long March 6C has become the 17th in the Long March fleet that is in active service.
长征六号C首次发射成功后，已成为长征现役舰队中的第17艘。
长征六号C首次发射成功后，已成为长征现役舰队中的第17艘。
