Principle of teacher priority emphasizes that in the devisal of school system and mechanism, the factor of teachers shall be placed on the top.

教师优先原则强调：在学校制度与机制设计中，要把教师这一因素放在一位。

Especially for the transmitting array, this novel method gives the advantages of reducing the varieties of modules and devisal costs, and is suitable for engineering application.

尤其对于发射阵而言，法有利于减少组件品种和设计成本，适于工应用。