求翻译：我国于1999年3月15日第九届全国人民代表大会第二次会议通过颁布《中华人民共和国合同法》。　在我国，合同法是调整平等主体之间的交易关系的法律，它主要规定合同的订立、合同的效力及合同的履行、变更、解除、保全、违约责任等问题。是什么意思？

China on March 15, 1999 the Ninth National People's Congress through the enactment of the second meeting of "Contract Law." In China, contract law is to adjust the trading relationship between the principal of equality law, it is the main provisions of the Contract, the validity of the contract and

In my country, 15 March 1999, the National People's Congress session 9 2 meeting through the enactment of the PRC Contract Law. In my country, contract law, the restructuring of the transactions between equal subjects the legal relations between the conclusion of the contract, its main provisions, t

Our country the ninth session of National People's Congress second conference through promulgated "the People's Republic of China Law of contract" in March 15, 1999.　In our country, the law of contract is between the adjustment equal main body transaction relations law, it mainly stipulated the cont

On March 15, 1999, second meeting of the ninth national people's Congress through the enactment of the People's Republic of China contract law. In our country, the adjustment of contract law is equality trading relationships between the subjects of law, which provides that the contract is made, the

The second session of the ninth National People's Congress was passed to issue " contract law of the People's Republic of China " on March 15, 1999 in our country. In our country, the contract law adjusts the law of business relation between the equal subjects, questions such as performance, alterin