监司

1

巡历周期有限，因此监司辖区不能太大。

Since such tours could not be too far apart , the area visited could not be too large .
2

但地方节度使依然在捍卫边疆以及钳制监司方面，发挥出了一定的作用。

But the military commissioner outside was still displaying the function in guarding the border area and surveillancing the senior officials .
3

但监司同时是一路行政事务的主管官员，路作为高层行政区划，又不宜太小。

And yet , as an inspection officer was concurrently the head administrative official in a circuit ( lu ), a higher-level administrative division , it could not be too small either .