在频道设计中，首先要考虑的目标是：尽可能达到社会效益、经济效益的最大化，频道必须具有核心竞争力、不可替代性和可持续发展的能力。要实现这一目标，科学的精确调研是频道设计的基本依据。 科学调研 　　从粗放到精确，从定性到定量是现代社会各学科发展的主流和方向。现 In the channel design, the first goal to be considered is: to maximize social benefits and maximize economic benefits, and channels must have the core competitiveness, irreplaceability and ability to sustainably develop. To achieve this goal, accurate scientific research is the basic basis for channel design. Scientific research from extensive to accurate, from qualitative to quantitative is the mainstream and direction of the development of all disciplines in modern society. Now