(1) In similar ways, arcs, ellipses and regular polygons can be described.

(2) Experiment will reveal that any regular polygon needs similar adjustment to transform a geometric shape into a sensory image.

(3) The corners of any regular polygon rest on the circumference of a circumscribing circle.

(4) Two layer regular polygon central configurations of 2N-body problems are studied.

(5) The equivalent Fresnel numbers of the regular polygon and slit are calculated by using the radius of inscribe circle and half width of the slit as the feature length.

(6) Through analyzing the similarity transformation character of regular polygon, a new fashioned formation mechanism of bundling was designed.

(7) The racket bar has a cross section of regular polygon, so as to improve beat precision and durability and reduce impact through exerting elastic force only in one direction without distortion.

(8) The geometry features of involute of regular polygon are analyzed. It is indicated that the involute of even regular polygon can be used as the scroll wrap.

(9) The circle has greater area than a regular polygon of the same perimeter.

(10) For solving regular polygon, the author presents a geometrograph which divides the circumference uniformly and arbitrarily; and derives an analytic expression.

(11) A new regular polygon singular element, centered at the crack tip and divided into a number of triangle elements around it, is presented in this paper.

(12) Through analyzing a simple rotary cutting device for regular polygon, the forming principle was introduced, and the equation of knifepoint relative to workpiece was established.

(13) The said process can machine regular polygon in high efficiency and high precision without need of indexing.

(14) It is a regular polygon solution consisting of particles with different masses, which is also known as the honeycomb type central configuration.

(15) For solving regular polygon, the author presents a geometrograph which pides the circumference uniformly and arbitrarily; and derives an analytic expression.

(16) Two layer regular polygon central configurations of 2N-body problems are studied. The conditional equations and existence proof of these solutions of the problems are given.

(17) Higher resolution costs more money but if the resolution is too low then straight lines look jagged and circles become regular polygons.

(18) They are completely regular solids: each has all of its faces repeating a regular polygon, triangle, square or pentagon.

(19) It studied the radiation problem of TLP, and paid attention to the computation of added mass and added damping about TLP which cylinders are set as regular polygon.

(20) 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.

(21) This paper introduces optimizing the design of the frame structure in the way of the regular polygon, so as to save the stuff and make the design of the frame structure more economical.

(22) In this paper, the electric-field intensity distributions on the axes of charged regular polygon frame and surface are introduced, and the results in critical conditions are discussed.

(23) An experiment was conducted to investigate the affect of regular polygon dispersion on its signal cognitive performance.

(24) In the first place, a formula is proved for indicating a magnetic induction strength inside a long straight helix tube carrying current, with the tubes cross section in tetragonal N regular polygon.

(25) In the conic solutions, each particle moves along its own conic path, but all the particles always make up a regular polygon.