规划原则 planning principles ; plan principle

系统规划原则 planning principles

区划原则I principle for regionalization

区划原则 principle of district planning ; Regionalization Principle

语言规划原则 principles of language planning

选题策划原则与方法 Principles and methods of topic-design

自然划一原则 Principle of Uniformity of Nature

系统最适划分派原则 System-Optimized Assignment Principle