求翻译：在开禁发展市政债券市场时，风险的防范和控制是其核心问题，信用风险又是所有风险的核心，因此本文也对市政债券信用风险的控制和管理进行了详细的分析。是什么意思？

, Risk prevention and control is the core issue of lifting the ban the development of the municipal bond market, credit risk is the core of all the risks, this article also carried out a detailed analysis of the control and management of the credit risk of municipal bonds.

Development in the municipal bond market, the risk of prevention and control is the core issue, credit risk is the core all of the risks, and therefore this is the municipal bond credit risk control and management carried out a detailed analysis.

When relaxes a prohibition the development municipal bond market, the risk guard and the control are its core question, the credit risk also are all risk cores, therefore this article also has carried on the detailed analysis to the municipal bond credit risk control and the management.

Lift a ban when the development of the municipal bond market, risk prevention and control is the core issue, all credit risk is the risk of the core, so this article also on the municipal bond credit risk control and management for detailed analysis.