The factors that influence tourist\'perception and attitude include 9 factors: elementary service factors of human resource,specific service factors of human resource,safe and health factors,rural characteristic of food and beverage surroundings,host and guest interact factors,rural characteristic of food,rural characteristic of human resource,subjective and objective factors of food quality.

Through the pile foundation construction in Qingshui river test section of Qingzang railway the rock character and the characteristic of frozen soil of overburden soil are analyzed and some pile foundations adapting to frozen soil are proposed.

Thus the authors specifically analyse the soft subsoil characteristic of expressway in South Fujian region; and evaluate methods commonly used for treating soft subsoil foundation which include dewatering and consolidation, overload and .

Differences in ground vegetation and soil characteristics in adjacent birch and spruce stands of southern Sweden;

There are significant difference of soil characteristics in each forest model forest.

In our research,soil moisture contents in typical mountains in Dongjiang were measured by TDR in many locations with different land covers,landform,soil characteristics,land surface slopes in different slope position.