自发射以来，工程师对飞行器各部件一直进行跟踪测试和验证。
Since the launch, engineers have been continually been conducting testing and verification of the spacecraft's components.
自发射以来，工程师对飞行器各部件一直进行跟踪测试和验证。
Since the launch, engineers have been continually been conducting testing and verification of the spacecraft's components.
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