Perform general system and network maintenance and support.
执行一般的系统和网络的维护和支持。
2
Duties: Mainly deployed on carrying out aircraft maintenance, related support activities and general duties to ensure the proper operation of aircraft and engineering facilities.
职责：主要职责是维修飞机，并执行有关的支援工作及一般职务，以确保飞机及工程设施运作妥当。
3
Conclusion Symptoms' relapses of depression patients on antidepressants maintenance therapy are related to patients' general conditions, life events, social support and defense style.