1·Control of power and "service" are bilateral and takes the form of the two fulcra.
“权力控制”和“服务”是双边的，采取两种支骨的形式。
2·"Control of power"and "service"is bilateral and takes form of the two fulcra…
控权和服务是双向的，共同构成了行政法学理论基础的两个支点。