统一题名：Fundamentals Problems of Creating in the Two-Dimensional Space 并列题名：Fundamental problems of creating in the two dimension space Fundamental problems of creating in the two dimension space 并列题名：Fundamental problems of creating in the three dimensions space Fundamentals Problems of Creating in the Two-Dimensional Space Fundamental Problems of Creating in the Two-Dimensional Space Fundamental problems of creating in the three dimensions space Fundamentals Problems of Creating in the Three-Dimensional Space Fundamental Problems of Creating in the Three-Dimensional Space Fundamental Problems of Creating inthe Three-Dimensional space