The concept of spacial linear array which is based on spacial parallel lines in application of engineering and science was come out,the styles of spacial linear array and its own points array was defined,and the judgement of styles of spacial linear array was also studied.
针对工程实践中常涉及到的多条空间平行线段的对齐问题,提出空间线段阵列的概念,定义了空间线段阵列及其点阵的类型,研究了各种空间线段阵列对齐和包含的判定方法。