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1)cylindrical equidistant projection,µÈ¾àÔ²ÖùͶӰ

2)cylindrical equal-space projection,µÈ¾àÔ²ÖùͶӰ

3)offset,µÈ¾à

4)Isometry,µÈ¾à

5)Isometric,µÈ¾à

6)¢ñ-equldistance,¢ò-µÈ¾à

7)¢ò-equldistance,¢ñ-µÈ¾à

8)equidistance,µÈ¾à

9)equidistant,isometry,µÈ¾à

10)Isometric and non isometric,µÈ¾àºÍ·ÇµÈ¾à

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Research On the Offset of Complex Profile in 2¡ªD NC Programming;

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Offset of Complex Profile-loops in CAD/CAM;

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The offset algorithm of complex profile loops is one of the important basic algorithms in the CAD/CAM system.

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Let T be a stable isometry of the Abelian Lattie -Ordered group G.

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Using the property of the unit sphere of two-dimensional strictly convex real normed space,we obtain that if the isometry V0 from S_1(E)to S_1(F)satisfies some properties, then V0 can be extended to be a real linearly isometric map V from E to F.

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We obtain that if the non-surjective isometry V_0 from S_1 (E) to S_1 (F) satisfy some properties,the V_0 can be extended to be real linearly isometric map V of E into F.

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Three kinds of space module from and isometric tromforming relation of hyperbolic space;

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:In this paper,we try to discuss isometric surfaces in Eª¬5.

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