求翻译：第四章是我国看守所羁押制度存在的问题及其原因。（1）以笔者所工作的上海市某一区看守所为数据样本展开实证分析，“一叶落知天下秋”研究当前看守所的现状；（2）从中国国情为立脚点分析羁押制度与国外的差距和不足（3)从表象中分析其深层次原因。是什么意思？

The fourth chapter in the prison custody system problems and their causes. (1) I was working for a District Detention Center in Shanghai to start a data sample of empirical analysis, "a fall Yela world to know," study the current status of the detention center; (2) from China's national foothold for

Chapter 4 of the detention system is my detention center problems and their causes. ( 1) to the writer of the Shanghai City data samples for a particular district Detention Center launched a empirical analysis, "autumn leaves" to study the current detention center know what's going on in the world;

Fourth chapter is our country lockup takes into custody the system existence the question and the reason.(1) the Shanghai some area guard behavior data sample which works by the author launches the real diagnosis analysis, “falls knows the world fall” the research current lockup present situation; (

Chapter fourth is problems in prison custody system in China and its causes. (1) to author the work of a detention center in Shanghai for the empirical analysis of the data samples start, "one leaves fall autumn knows the world" research on current situation of the detention center, and (2) from Chi

Chapter fourth is problems in prison custody system in China and its causes. (1) to author the work of a detention center in Shanghai for the empirical analysis of the data samples start, "one leaves fall autumn knows the world" research on current situation of the detention center, and (2) from Chi