1.Radiolabelled glyphosate was used to investigate the effects of organosilicone s urfactants Silwet L-77, Silwet 800, Freeway and Boost on the foliar uptake, tra nslocation and distribution of the formulated glyphosate Roundup○R in perennial ryegrass ( Lolium perenne L cv. Grasslan ds Greenstone) over a 72 h time-course.
采用14C-草甘膦同位素标记法研究了4种有机硅助剂Silwet L-77、Silwet 800 、Freeway 和Boost 在体积分数0.1%用量下对草甘膦在黑麦草( Lolium perenne L. cv. Grasslands Greenstone)体内吸收、转移和分布的影响。
2.Through full-scale and detailed investigation of application status of freeway safety management system, and based on the analysis of the system requirements, the authors present the whole framework of GIS-based database including freeway basic information database, spatial elements database, decision-making model parameters database, and safety management counter-measures database, and introduce the content and structure of each subject database, and the design of spatial data model of freeway traffic network.
通过对系统的应用状况进行全面、仔细的调查，在系统需求分析的基础上，提出了以高速公路基础信息库、空间要素数据库、决策模型参数库、安全管理对策库为主体的数据库整体框架，并介绍了各专题数据库的内容与结构，以及高速公路交通网络空间数据模型的设计。
3.On the research of freeway PMS framework, absorbing the experience of foreign PMS and Chinese PMS, combined with development of technical and the situation of Chinese freeway , the paper brings forward the framework of modern GIS based and web-enabled freeway PMS.
在高速公路路面管理系统框架的研究中,吸取了国外以及我国以往路面管理系统研究、实施的经验,结合最新科技发展成果与我国目前高速公路养护管理的实际情况,提出了基于GIS的网络型高速公路路面管理系统框架。
4.From the viewpoint of macro dynamic characteristics of freeway traffic flow, this paper classifies the freeway, gives a nonlinear macro dynamic traffic flow model of freeway using density and speed as state variables and then identifies the parameters by using searching approach step by step, finally gives an identification instance.
摘要从高速公路交通流的宏观特性和动态特性出发，对高速公路进行了两级分段，以车流密度和车流速度作为状态变量，给出了高速公路非线性的宏观动态交通流模型，进而采用直接搜索法对模型中的参数进行了分段辨识，并给出了辨识实例。
5.Based on the latest accident statistic by trafficpolice department and the whole statistic in the recent three years,status of freeway safety in chongqing was compared and analyzed. The safety situation was expatiated from macrostructure. Freeway safety situation was summarized and the elaborate countermeasures were put forward.
首先分析了重庆高速公路路网现状及当前安全管理模式,再依据交警部门最新权威统计信息以及近三年交通事故总体统计信息对重庆高速安全状况进行比较分析,从宏观阐述安全形势,最后对重庆高速安全现状进行概述并提出详尽的对策。
6.These two cars collided on the freeway.
在高速公路上有两部车子相撞。
7.The paper introduces the application of CCTV in freeway, especially introduces the structure, selection of equipment, transmission mode of the CCTV system in tunnels.
本文介绍了闭路电视在高速公路监控上的应用,重点介绍了隧道部分闭路监控系统的结构、设备选型、传输方式等。
8.There is a freeway (main highway) from here to Nanjing.
从这里到南京有一条高速公路（主要公路）。
9.The charred section of collapsed freeway was draped at a sharp angle onto the highway beneath, exposing a web of twisted metal beneath the concrete.
倒塌了的被烧焦的高速公路的部分的一个锋利的棱角掉落在了高速公路上，是混凝土下被扭曲的钢筋暴露了出来。
10.It is very dangerous when you get a flat tire on the freeway.
当你在高速公路上爆胎时，那是很危险的。
