present service index的意思|示意

At present the index that used in evaluating transit network service level is normal performance index usually, it already can't satisfy the request of planning and management.

目前用于评价公交网络服务水平的指标多为常态性能指标，己经难以满足规划和管理的要求。

How to evaluate its service value and establish scientific, reasonable and feasible evaluation standard and index system become urgent problems in the present time.

如何对其服务价值进行评估，建立一套科学、合理、具有可操作性的评估标准和指标体系，便成为当前迫切需要研究解决的问题。