petition letter的用法和樣例：
例句
- As an important channel of polities participation, the letter petition system safeguards people's democratic rights.
摘要信訪(fǎng)是我國公民政治參與的重要渠道，是實(shí)現和維護人民群眾民主政治權利的具體形式。 - In the petition work to make outstanding achievements of the units or individuals, by the executive authorities will be awarded.
對在信訪(fǎng)工作中做出優(yōu)異成績(jì)的單位或者個(gè)人，由有關(guān)行政機關(guān)給予獎勵。
