shock polar theory 极曲线理论
polar front theory 极锋理论
Bi-polar Communications Theory 两级传播论
polar-front theory 极锋说 ; [气象] 极锋学说
the polar shelloft theory 极地倒转
polar coincidence theory 极同时移动学说
polar molecular theory 极性分子理论
A shock polar theory is employed to analyze critical angles of transition from regular refraction to irregular refraction.
运用激波极曲线理论分析不同强度的激波从正规折射过渡到非正规折射的临界角变化。
Aim in view of the problems of shaanxi tourist industry, to analyse the reason and search the problem through the growing polar theory.
目的针对陕西旅游业存在的问题，应用增长极理论分析原因，寻找对策。
Q: What is the polar shift theory?
问：极地转移理论是什么？
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