1) plain area
平原区
1.
Analysis of exploitation of groundwater resources in the plain area of every river in the northwest;
西北诸河区平原区地下水资源可开采量分析
2.
Assessment of groundwater quality in China:Ⅰ.Hydrochemical characteristics of groundwater in plain area;
中国地下水质量评价(Ⅰ)——平原区地下水水化学特征
2) plain
[英][pleɪn] [美][plen]
平原区
1.
At the beginning of the 1990 s,the authors carried out ecological environment geochemical investigation in Hangjiahu plain,Ningshao plain,Jinqu Basin and Jinqu plain and,as a result,obtained thousands of analytical data and compiled various kinds of relevant maps and manuals.
20世纪90年代初,浙江省地球物球地球化学勘查院先后在杭嘉湖平原区、宁绍平原区、温黄平原区、金衢盆地等四大块平原区开展生态环境地球化学调查,获得了数以万计的定量分析数据,编绘了各类相关图件及说明书。
3) plain areas
平原区
1.
Origin and ecological effect of regional Cd geochemical anomalies in plain areas;
平原区区域Cd地球化学异常成因及其生态效应
2.
Sometimes it is considered that the increasing of highway cross-section width is helpful for highway safety,so some wider highways are built,especially in plain areas.
一些传统观念认为,提高公路横断面要素指标有利于安全水平的提高,由此倾向于修建更宽的公路,这在平原区尤其明显。
4) plain regions
平原区
1.
The results show that groundwater is seriously polluted as poor quality water covers nearly 60% of the plain regions.
对我国平原区浅层地下水水质现状进行了评价。
2.
In this article, a systemetic analysis method is used for an evaluation of Pingdingshan plain regions agricultural natural resource, It suggests three models of ecological farming
文章对平顶山市平原区的农业自然资源进行了分析与评价，提出了三种生态农业模
6) plain polder area
平原圩区
1.
Optimization of planning for drainage system in plain polder area based on experimental genetic algorithm;
基于试验遗传算法的平原圩区除涝排水系统最优规划
补充资料：HⅡ区和HⅠ区
见电离氢区和中性氢区。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条