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the reporter learned from the national space administration that at 18:30 on september 27, my country successfully launched its first reusable returnable technology test satellite, the shijian-19 satellite, using the long march-2d carrier rocket at the jiuquan satellite launch center. the satellite successfully entered its intended orbit.

as an important new technology test satellite during my country's "14th five-year plan" period, the shijian-19 satellite has achieved a number of technological breakthroughs in terms of reusability, high microgravity support, high load-bearing ratio and re-entry environment test services, and will significantly improve the technical level and application efficiency of my country's returnable satellites, reduce operating costs, and provide strong support for the rapid transformation of new technology verification and pre-research results.

the shijian no. 19 satellite will carry out space breeding experiments, carrying relevant plant seeds selected and sent by hainan province, anhui province, and the ministry of agriculture and rural affairs. it will give full play to the advantages of space breeding such as "high mutation efficiency, short breeding cycle, and many beneficial mutations" to improve my country's space breeding technology level, accelerate the pace of innovation of germplasm resources, and provide important support for realizing the technological self-reliance of the seed industry and independent and controllable seed sources.

scientific researchers will make full use of the reusable shijian no. 19 satellite to carry out space experiments, provide on-orbit flight test verification opportunities for domestic components and raw materials, promote the development and application of new space technologies, and assist microgravity science and space life. research in science and other fields.

in addition, the shijian-19 satellite also carried payloads applied for by five countries including thailand and pakistan, and carried out extensive international cooperation.

the national space administration is responsible for the organization and management of the no. 19 satellite project, the organization and coordination of major matters, and the approval of launch licenses. the earth observation and data center of the national space administration is responsible for the overall work of the project; the satellite is managed by the space technology research institute of china aerospace science and technology corporation. the launch vehicle technology research institute is responsible for the overall development of the launch vehicle system.

this mission is the 537th launch of the long march series of launch vehicles.

(cctv reporters cui xia, li ning, tao jiashu and li yi)