trip level

"slip, trip or fall on same level"

滑倒、绊倒或在同一高度跌倒

This paper, on the basis of Yuelu-mountain high-tech park in Changsha city, beginning with the investigation of diversiform transit-trip in the park, firstly analyzes and evaluates space-time change law of traffic flow and situation of traffic service level on actual road net-work in the park;

本文以长沙市岳麓山高科技园区为依托，从调查园区内的各类交通出行开始，首先分析评价了园区内现状道路网上的交通流时空变化规律及道路网上的交通服务水平状况；

Typically, this system will disconnect all non-grounded phases at trip level of 30 mA or higher.

典型地, 该系统会在30毫安或更高的触发级别下切断所有的未接地相.

This model demonstrates how the socioeconomic variable, traffic serving level and the socioeconomic variable around traffic zones contributes to the trip generations.

出行生成模型：交通小区通达性和便利程度在很大程度上影响着居民的交通生成量，传统的出行生成预测模型无法反映这一特征。