The effectofcontract is the law's appraisal of the established contract.
合同的效力是法律对已经生效合同的评价。
2
When agent surpass the power of attorney to enact civil juristic act, the effectofContract is uncertain.
当代理人超越代理权限从事民事法律行为时，根据合同法的规定，此类合同是效力未定。
3
In practice legal effectofcontract on mining right transfer by way of public biding is key factor for settling the disputes caused by transferring mining rights.