山东大学

The Secondary Accessorial Hospital of Shandong University,Jinan 250061,China

工程陶瓷山东省重点实验室，济南250061；3。山东大学第二附属医院，济南 250061

Department of Anaesthesia, Qilu Hospital of Shandong University, Jinan 250012, China

山东大学齐鲁医院麻醉科，济南 250012

Department of anesthesiology, qilu hospital of shandong university, jinan 250012, china

作者单位：山东大学齐鲁医院麻醉科，济南 250012

School of Chemistry and Chemical Engineering, Shandong University;Changchun Institute of Applied Chemistry, Chinese Academy of Sciences

山东大学化学化工学院；中国科学院长春应用化学研究所

Institute of epidemiology and biostatistics, school of public health, shandong university, jinan 250012, china

作者单位：山东大学公共卫生学院流行病与卫生统计学研究所，济南 250012

Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Ji'nan, Shandong 250100, China

1山东大学胶体与界面化学教育部重点实验室，济南 250100

Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan

山东大学胶体与界面化学教育部重点实验室，济南 250100

A Key Laboratory for Colloid and Interface Chemistry of Education Ministry, Shandong University, Jinan, Shandong 250100, China

a山东大学胶体与界面化学教育部重点实验室，济南250100

Department of thoracic surgery, First clinical hospital affiliated to China Medical University, Shenyang 110001, China

山东大学齐鲁医院胸外科，济南 250012；4。中国医科大学附属第一医院胸外科，沈阳 110001

Shandong Univ., College of Chem.

济南大学化学系；山东大学化学学院。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。