City design can serve as an operation instrument through the control element and control guideline peculiar to city design so as to exercise control over development.
通过城市设计特有的控制要素和控制导则，城市设计可作为操作手段，实现对项目开发的控制。
2
The application of XRF portable analyzer in rapid analysis of the main element of ferroalloy has extended the application of this type of instrument to outside the mineral investigation field.
采用XRF便携式分析仪进行铁合金主元素的快速分析研究，拓展了该类仪器在矿产调查领域以外的应用。
3
After the modal analysis of the housing of the SKR-4DL type winding machine with finite element method, the virtual instrument was applied to the on-line vibration property testing on the housing.