求翻译：【摘要】：本文从临床工程技术的角度,依据医疗设备风险管理理论,结合具体工作实践 对放射治疗设备的原理、特点及正确使用和维护进行全面分析，并将该设备的使用安全保障及正确保养维护与风险管理相结合，有针对性的制定措施及加以控制，并严格执行岗位责任制及安全保障机制，就可将放疗设备安全风险降到最低限度。是什么意思？

"Summary": this article from clinical engineering technology of angle, pursuant to medical device risk management theory, combination specific work practice on radiation treatment device of principle, and features and the correctly using and maintenance for full analysis, and will the device of using security protection and the correctly maintenance maintenance and risk management phase combination, has targeted of developed measures and the be control, and strictly implementation system and the security protection mechanism, on can will radiotherapy device security risk drops to minimum limits.