Therefore, the difficulty coefficient of road administration is determined by calculating the group utility function based on the normalized weights, utility function of every expert and the indexes.
用归一化的专家权重、专家个人效用函数的权重以及标准化后的指标，计算群效用函数，即可确定公路路政管理难度系数。
In the part of road engineering project risk evaluation, this paper puts forward the method of fuzzy and utility risk evaluation based on the method of fuzzy and utility risk measurement.
在公路工程项目风险评价中，本文基于模糊效用风险度量法提出了模糊效用风险评价法。
This paper establishes a user's willing-to-pay model for pricing road based on risk utility function, which is an application of information economics analysis and risk decision theory.
本文根据不确定性条件下的信息经济分析原理，建立了基于风险效用函数的收费道路使用者支付意愿模型。
He observed, Buick car than other cars in the over or through a muddy road has obvious advantages, Buick is the real utility car.
他观察到，别克汽车比其它汽车在翻山或穿过泥泞路段时具有明显的优势，别克汽车才是真正的实用汽车。
In order to learn from the layout of city , the utility of land , illegal buildings, the conditions of vegetation covers and layout of road so on, it is necessary to monitor the change of city.
为了及时地了解城市布局、土地使用、违章建筑区域、非法占地、地面绿化状况以及道路小局等情况，需要对城市的变化进行适时监测。
The utility model which is connected into a power supplying network charged by accumulators is another clean energy source for urban and rural road traffic.
该装置联入蓄电池充电供电网络，作为城乡道路交通的又一洁净能源。
The utility model belongs to the technical field of pavement materials, and particularly relates to an SBS modified road asphalt production device.
本实用新型属于路面材料技术领域，具体为一种SBS改性道路沥青生产装置。
The utility model relates to a hanging mechanism for an ironing plate of a paver, which belongs to road surface engineering machinery and relates to a structure of an asphalt road surface paver.
本实用新型属于路面工程机械，涉及一种沥青路面摊铺机的结 构，具体是一种摊铺机熨平板悬挂机构。
The utility model relates to an anchor capable of locking the bottom of a prestressed steel strand which can be arranged in concrete of side wall of a road bridge U-shaped bridge abutment.
本实用新型涉及一种安装于公路桥U型桥台侧墙混凝土内部的能够锁定预应力钢绞线底 端的锚具。
The utility model relates to an ice and snow shovel for road surface, comprising shovels, shovel sheaths, springs and a connecting plate.
本实用新型为一种路面冰雪铲除装置，包括换锹、锹套、弹簧、连接板。
The utility model relates to a snow plough, in particular to a snow removing vehicle using the snow-melting agent, which can remove snow and clean the road in addition to watering at the same time.
本实用新型涉及一种除雪装置，特别是涉及一种集除雪、清理路面和洒水为一身的用于除雪剂的除雪车。
The utility model discloses a rotary ploughing complete machine which comprises a machine body, a diesel engine, road wheels, a gear case and an armrest.
本实用新型公开了一种旋犁耕整机，包括机体、柴油机、行走轮、齿轮箱、扶手。
The utility model is composed of a central shaft road, a turning block, and a scribing needle.
本实用新型是由中心轴杆、转动滑块和划针组成。
The utility model is composed of a central shaft road, a turning block, and a scribing needle.
本实用新型是由中心轴杆、转动滑块和划针组成。
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