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1. The projection of triangles Projective geometry evolved out of the geometric perspective, beloved of Renaissance architects, engineers and painters.

2. In tradition, the projective contents of wish fantasies expressing defended-against intentions, have been deposited.

3. We shall interrupt the history of projective geometry.

4. The synthetic geometers were developing projective geometry.

5. Aim A projective digital lensometer is presented.

6. In this paper we propose a method of projective transformation from pitch surface to cutter surface for studying face mill cutters.

7. This paper describes a new type of projective device for displaying microcirculation of human nail fold.

8. This paper summarizes a basic projective inequality of D ∞.

9. A new equivalent characterization of pure projective left R - modules is given by applying homological methods.

10. Based on invariance of the cross-ratio in projective transformation(sentencedict.com), this paper designed a gray artificial landmark for vision-based recognition by shape information.

11. A linear iterative method for projective reconstruction based on 1 D subspace is presented in the paper.

12. American mathematician noted for his work on projective geometry and topology.

13. By means of analyzing the mathematical expressions, the projective drawing and the error curves, the appropriate limits and conditions of using the circular pitch arc in place ...

14. Furthermore, it is shown that every pure projective left R-module is closed under pure submodule if and only if every pure injective left R-module is closed under pure epimorphic image.

15. The reason for Projective distortion that the amplification ratio is not constant but has nonlinear relation with pitch and tilt angles and field of view of cameras was found out.

16. A multiple functional projective demonstration apparatus was made with self made spring gun by laser aiming and photoelectric control. It can verify many laws.

17. According to the fUndamental theorem of coniC In projective geometry any five points can decide one conic section.

18. According to the nature of projective scale,(Sentencedict.com ) it has solved the problem of drawing a cars perspective when perspective vanishing point is out of the drafting board.

19. A derivatization of Q is equipollent with Q, i. e. , they define isomorphic projective planes.

20. It is more reasonable and more widely used to stipulate angular measure with cross ratio of projective invariant.

21. Objective:To make the item analysis of the Group Personality Projective Test (GPPT) and test its adaptation in China.

22. Depending on the special relationship between vertexes and their center in a regular polygon a projective invariance is formed to extract the rotational center of object.

23. In this paper , the bar fixing problems of spatial four _ bar mechanism are discussed applying projective geometry.

24. Connected graded algebra is the main object studied in noncommutative projective geometry.

25. Cross ratio and element at infinity are two important concepts with projective geometry and primary tools in considerate projective property of figures.

26. Measure the traits, qualities, or behaviors that determine a person's individuality; such tests include checklists , inventories, and projective technique.

27. In this paper we discuss the algebraic expression of involutory perspective in three-dimensional projective space.

28. Finally the article expresses accurately all these factors by a single variable called lagging angle which is the projective angle of the winding angle o.

29. We describe the properties of the almost split sequence containing projective module as the first term and the middle term.

30. Based on inclusion exclusion principle of set theory, a new algorithm to calculate the whole projective area was put forward to those overlapped complex geometrical objects in any direction.