求翻译：中国是发展中国家，又是农业大国，在建国之后的很长一段时间，实行的是高度集成计划经济的发展模式，商业化的信贷活动十分稀少。是什么意思？

China is a developing country, but also a large agricultural country, after the founding of a very long time, the implementation of the planned economy is highly integrated model of development, commercial credit activities are very scarce.

China is a developing country, and it is a big agricultural country, after the founding of a long period of time, it was the mode of development for the planned economy are highly integrated, commercialization of 10 credit activities are rare.

China is the developing nation, also is the large agricultural nation, after founding of the nation very long period of time, implements is integrates the planned economy highly the development pattern, the commercialization credit activity is extremely scarce.

China is a developing country, is agricultural country, for a long time after the founding of, practices a highly integrated development model of planned economy, commercialization of credit activity is very rare.

China is a developing country, but also a large agricultural country, after the founding of a very long time, the implementation of the planned economy is highly integrated model of development, commercial credit activities are very scarce.