" our minimum target this year is to get back in the black , " an official from the company , the official told to the journalist . the joint venture said it plans to slash production costs by 2 billion yuan us 240 million by using more locally made components , and improving sourcing and logistics 它的城市中心面积达5700多平方公里，而北京市区中心面积大概有1000平方公里，假使没有发生拥堵， 25分钟可以完成的一个交通出行，在洛杉矶还要加上90分钟，也就是说要花将近两个小时的时间才能到达。
It is very important for policy makers and industry to make it clear . many investigates have been conducted in many countries while it is lack in china this paper reports a study of the consumer ' s perceptions and attitude toward gm food and their determinants based on a public survey conducted in twenty - one supermarkets of beijing 本文通过对北京市区21家超市的顾客进行抽样访问，运用probit模型对调查结果进行分析，阐明了消费者对生物技术和转基因食品的各方面尤其是安全性的认识，分析了消费者对转基因食品认识和态度的决定因素。
Following are the key topics of the this article : a ) a traffic flow research on a typical jammed road of beijing . based on the research , the conclusion drew out a traffic flow map and the vehicle types description on every traffic flow direction of current traffic state ( normal distribution and poisson distribution ) , which generates the traffic model . b ) the frame structure of urtss model 对北京市区某典型拥堵路段交通流进行调查，对调查结果的不同方面进行研究分析，对调查数据采用数理统计方法进行分析，确认北京这样的大城市部分拥堵路段的交通流分布情况(正态分布) ；同时还对各流向的车型构成比例进行了描述，为所开发的城市道路交通仿真系统提供了基于城市道路实际交通流的交通生成模型。
According to the concept of " three systems " of surface transportation which coincide with the actual development of beijing transportation . the system arrangement and the relationship between every arrangement of surface transportation were definitude . the sticking points result in transportation congestion were found in this paper 论文在详细分析目前北京市交通现状的基础上，针对北京市区的地面交通提出了建设“三大体系”的总体构想，构建了北京未来交通建设的总体框架，理清了北京市区地面交通的系统层次及各层次之间的相互关系，找出了北京市区交通拥堵的一些主要症结，并提出了治理这些交通问题的基本思路和出发点。
