| 1. | Based on the analysis of natural and geographic background of jiaozhou land type , under the principle of comprehensiveness , dominant factor , produce and practice , thd author made field investigathion and the defined thd line of land type with reference of 1 : 15000 aviation chart , geologic map , topographic map , soil map , and climate planning map of jiaozhou . the system of land classification included land unit ( genus ) - land unit ( family ) , furthermore , according to thd above classification system , the author drew thd 1 : 50000 land type map . finally , this thesis elaborated thd main characters , utilizing situation and of grade - 2 land type land unit genus
胶州市土地类型的划分，是在分析胶州市土地类型区域自然地理背景，剖析各土地分异因素，按照综合性原则、主导性原则和实践性原则，应用1 ： 1 . 5万航空象片，进行野外实地考察，并参考该市的地质图、地貌图、土壤图、土地详查图和气候区划图，在综合分析的基础上，确定土地类型界限，以限区(属) ?限区(科)构成土地分类系统，并据此编制胶州市1 ： 5万土地类型图。 |
