land resource efficiency

mineral resource efficiency

Resource efficiency

Resource usage

nitrogen usage efficiency

Usage efficiency

usage efficiency of equipment

Guanxi resource

“Human Resource Strategy Ideal”of Japan

3-type water resource

A Discussion on Human Resource Management

A single tourist resource

Abstract Resource

abundance of resource

academic resource

Academy of Water Resource Conservation Forests in Qilian Mountains of Gansu Province

accelerator resource

Access critical resource

accompanying resource

Accountant of human resource