信访制度的英文：
petitioning system

petitioning是什么意思：
n. 请愿；诉状；祈求
v. 请求，恳求，请愿

They petitioned the President.
他们向总统请愿。

It snowed petitions.
请愿书纷至沓来。

Do you have this in a petite?
这个样子有小号的吗？

They petitioned Parliament to redress grievances.
他们向国会请求解除疾苦。

The petition was ordered to lie on the table.
该请愿书奉命暂搁一边，以后讨论。

system是什么意思：
n. 体系，系统；设备；制度；方法；身体；次序

Is the system unstable?
是系统不稳定吗？

It was not a perfect system.
它不是一个完美的系统。

This is a sexpartite system.
这是一个由六部分组成的系统。

Anatomically, the nervous system is divided into the central nervous system and the peripheral nervous system.
解剖学上把神经组织分为中枢神经系统和周围神经系统。

disaccord between the economic system and political system
经济体制与政治体系间的不协调