1.
On How to Manage the Second Scale Cities in Chonqing --Taking Hechuan as an Example;
论重庆市二级城市如何经营城市——以合川市为例
2.
Functions of the Second-tier Cities in Global City Regions: A Case Study of Boston
国际城市区域中二级城市的功能——以波士顿为例
3.
Study on Regional Differentiation of Urban Agglomeration Competitiveness:Based on Perspective of Secondary Urban Agglomerations in Changjiang River Delta;
城市群竞争力的区域分异研究——基于长三角二级城市群的视角
4.
Fourth of Regional Economies Growth Point of China--Reform Strategic about Second-level Urban Cluster of Chengdu-Chongqing's and Urban and Rural Harmonious
中国区域经济第四极——成渝二级城市群的构建与城乡统筹改革策略
5.
A Study on New and Hi-tech.Industry Development in Cities Located at Yangtze River Delta;
长江三角洲都市区二级城市高新技术产业一体化发展研究
6.
Article 21 Plans for cities shall be examined and approved at different levels.
第二十一条 城市规划实行分级审批。
7.
STUDY ON THE COST FUNCTION OF SECONDARY MUNICIPAL SEWAG TREATMENT SYSTEM
城市污水二级处理系统费用函数研究
8.
The cities where the annual concentration of SO2 did not attain national Grade II standards account for 19.4% of the cities for statistics.
二氧化硫年均浓度未达到国家二级标准的城市占统计城市的19.4%。
9.
Investigation about Consumption Potential of Furniture Market in the Sub-cities
我国南方二三级城市家具市场消费潜力调查
10.
The sewerage treatment rate (secondary treatment) in the urban area and the satellite towns should be increased to 90%, and the reclamation rate should come close to 50%.
市区和卫星城城市污水处理率（二级）达到90%，回用率力争达到50%。
11.
On the performance of "urban isolated island" and the cultural Construction in the second-class college;
“城市孤岛”现象与新制二级学院校园文化建设
12.
The Method of Twice Fuzzy Synthesis Applied in the Urban Environmental Quality Assessment;
城市总体环境质量的二级模糊综合评价
13.
Build of Experiment Device About Municipal Secondary Effluent Fouling and Preliminary Experiments
城市二级出水换热污垢实验台搭建及初步实验
14.
SIMULTANEOUS NITROGEN AND PHOSPHORUS REMOVAL FROM MUNICIPAL SECONDARY TREATMENT EFFLUENT BY ION EXCHANGE
城市污水二级硝化出水的离子交换脱氮除磷
15.
THE EFFECT OF PREHYDROLYSIS OF URBAN SEWAGE ON THE SECONDARY BIO-TREATMENT
城市污水预水解对二级生化处理的影响
16.
Pilot study on cloth media filter applied in WWTP for treatment of secondary effluent
滤布滤池强化处理城市二级出水中试研究
17.
The cities in the Double-Control Zones where the annual concentration of SO2 attained Grade II standards account for 48.4% and 79.7%.
两区内二氧化硫年均浓度达到二级标准的城市分别占48.4%和79.7%。
18.
Urban Air Quality in Key Environmental Protection Cities In the 47 key environmental protection cities, 19 of them have attained the Grade II standards for urban air quality.
环保重点城市空气质量47个环保重点城市中，19个城市环境空气质量达到空气质量二级标准。