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31, Said rotary control disk rotates around the central axle on upper valve body to exchange position with conic valve core, so allowing medium to flow.

32, The paper discusses the ways to cultivate students creativity by example of teaching conic section.

33, Consider a family of parallel lines that cut the conic.

34, The value of solution for the linear equation at the conic point is derived, and the necessary condition satisfied by the Cauchy's problem solution is given.

35, SJSZ series conic twin - screw extruder is professional equipment for extruding kinds of PVC powder.

36, Do some research to find the name of this conic and the how the words vertices, foci, centre and directrix relate to this shape.

37, This paper mainly studies the second case class of trust region subproblems involving conic model.

38, They are commonly used in map projections, polar projection, Mercator's projection Lambert conformal conic projection are three of them.

39, According to the selective principle of map projection and Guangxi Regional place and form, the normal secant conic conformal projection of Guangxi Region is designed in this paper.

40, There are three popular map projections in Antarctica-Polar Stereographic Projection, Transverse Mecator Projection and Lambert Conformal Conic Projection.

41, In this paper, a new method of representing a conic in three-dimensional space is proposed. The concept of the coordinates of the conics in two-dimensional and three-dimensional space is defined.

42, The traditional procedure of conic fitting utilizes the standard Eigen Value Decomposition ( EVD ) algorithm .

43, The conic errors produced by frequency band narrow, quantization error, and installation error of gyro and low attitude update rate were analyzed.

44, Pascal's Theorem points of intersection of opposite sides a hexagon inscribed in a conic are collinear.

45, His chief work was on the conic sections but he also wrote on other subjects.

46, The paper gave out the judgment about the projective from of conic containing 0 principal minor determinant sequence by discussion.

47, This paper mainly discusses the conic trust region subproblem which is a key problem in conic trust region method.

48, That's why in modern architecture conic roofs are often used. They symbolise a Mansi tent.

49, Some examples are given by inscribed and circumscribed circles of polygons, lines intersecting and tangent to conic sections[sentencedict.com/conic.html], the Pappus and Menelaus configurations of points and lines.

50, The conic - shaped crack comes from the inclined circular crack perpendicular and terminating at a bi - materials interface.

51, By using transformation thought, this paper obtains the focus chord of all kinds of conic section through analyzing a sample in conic section teaching.

52, That's why in modern architecture conic roofs are often used. They symbolise a Mansi tent. This is the building of district tax inspection in the picture.

53, The iterative algorithm of solving nonlinear equation by conic is proposed and an approximate error formula near the solution is given.

54, Methods Safflower, Conic gymnadenia Rhizome(sentencedict.com), Radix Paconiac Alba in the prescription were identified under microscope.

55, CNC Hydraulic Press Brake offers Conic Bending a maximum of 15 mm along the whole length.

56, Select the conic of which you want to construct the directrix...

57, Thus, we give a make-graph method of conic section on plane with arbitrary point as foci, arbitrary line as directrices and arbitrary positive number as eccentricity.

58, The evolution of the morphology of the conic structure has been studied using SEM and TEM.

59, Several methods of error-revising, such as linear, conic and conicoid error-revising methods are comparatively studied.

60, The machining includes drilling hole, machining inner conic hole, boring and trimming for smooth connection.