求翻译：负债结构是指上市公司借入资金的期限结构、债源结构、利率结构等。一般来讲，负债期限结构中应根据生产经营中不同的资金需求合理安排短期、中期、长期负债，并保持适当的比例，避免还债期过于集中和还款高峰的出现。从近期的上市公司的负债金额及水平上看，我国上市公司总体上：资产负债率总体水平偏低；流动负债水平偏高；债源结构单一。是什么意思？

Liability structure refers to the term structure of listed companies to borrow funds, debt-source structure, the structure of interest rates. In general, the debt maturity structure should be based on different capital requirements in the production and management reasonable arrangements for the sho

Debt structure is the listed company borrowed funds, debt maturity structure of the source structure, and structure of interest rates, and so on. In general, debt maturity structure should be based on the production and management of the different financial needs reasonable short-term, medium-term a

Debt structure refers to the term structure of listed companies borrowed money, debt structure, interest rate structure, and so on. In General, debt maturity structure should be based on the production and management of different funding needs for rationalization of the short-, medium-, and long-ter