1. As one of the most important basic photogrammetry theories, the collinear equation has been applied wildly.

2. The use of photogrammetry lies principally in interpretation of features visible on the air photograph.

3. As one of the main equipments about close-range photogrammetry to obtain images, non-metric digital camera with its own unique advantages, that has been widely used in close-range photogrammetry.

4. Image matching is hardcore technology that digital photogrammetry achieve automatic survey.

5. It introduced the principle of digital aerial photogrammetry system based on remote controlled airboat and discussed the existed problems.

6. Precision calibration with star photogrammetry is a the general method for adjust of theodolite.

7. With the development of the photogrammetry and remote sensing, people can obtain abundant spacial information.

8. It may be a photoelectric converter in the application of exploded piont measuring and film reader. That can greatly enhance the photogrammetry automatization.

9. The application and development of urban digital cartography are discussed with urban 1∶500 digital areo - photogrammetry.http:///photogrammetry.html

10. The combination of IMU/DGPS technology and digital aerial photography technology brings a new development direction for the aerial photogrammetry technology.

11. This combination features with both the high efficiency of structured light method and the elimination of cumulative errors profited from photogrammetry.

12. Every photo interpreter should be familiar with basic principles of photogrammetry.

13. The projects of the IGP are devided in 4 parts: Geodesy and Geodynamics, Geographic Information Systems, Theory of Errors, Photogrammetry and Remote Sensing and Geodetic Metrology.

14. This paper focuses on studying a new intra-oral digital radiography system based on photogrammetry and image processing.

15. Abstract: The application and development of urban digital cartography are discussed with urban 1∶500 digital areo - photogrammetry.

16. With the application of the digital camera (Non-metric camera) in the Close-Range Photogrammetry increasing, more and more attention has been paid to the calibrating method of the digital camera.