on orbit test 在轨测试
The problems of CDAS for C satellite were solved and adaptability adjustment was completed during the periods of on-orbit test and experimental operation.
在轨测试和试运行期间，C星的CDAS不仅解决暴露的问题，而且进行适应性调整。
Satellite on-orbit test is a useful way to monitor satellite platform, on-orbit status and attenuation degree of sensors, and is the premise and base for satellite data's processing and application.
卫星在轨测试是监测卫星平台及其遥感器在轨运行情况及性能衰减程度的有效手段，也是卫星数据处理和应用的前提与基础。
The third mission, called Orion I, is planned to launch an actual Orion spacecraft into orbit, but on an unmanned test flight, Diller said.
迪勒说，第三次任务是称为“猎户座i”(Orion i)的无人飞行试验，将发射真正的猎户座太空船到轨道上。
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