求翻译：在演出前的彩排和正式演出的现场，提供保安人员维护演职人员的安全，并维持良好的治安管理环境。现场应有医疗急救人员一名是什么意思？

Rehearsal before the performance and full-scale performance of the site, to provide security personnel to maintain the safety of the performers and staff, and maintain a sound security management environment. Site should be medical and emergency personnel a

The dress rehearsal before the performances and performers, the on-site maintenance personnel provided by the security staff, and maintain a good security management of the environment. On-site emergency medical personnel should be a

正在翻译，请等待...

In rehearsals and performances before the performance of the site, provides safety of security maintenance cast, and the maintenance of good law and order management environment. Field should be first-aid personnel who

Before the performance dress rehearsal and the official performance scene, provides the security personnel to maintain develops the duty personnel's safety, and maintains the good public security management environment.The scene should have medical service first-aid personnel one