In this paper, fuzzy numberoperation was used in identifying trophic type of lake.
本文提出了应用模糊数运算判别湖泊营养状态的类型。
2
The minus involves the concept, the number axis, the absolute value, the rational numberoperation and so on.
负数涉及到从概念到数轴、绝对值、有理数运算等等一系列知识。
3
With the help of complex numberoperation, the author has developed a method for designing the contour of a CAM whose follower keeps a general plane motion.