本合同有效期从合同生效之日算起共10年，有效期满后，本合同自动失效。

The contract shall be valid for 10 years from the effective date of the contract, on the expiry of the validity term of contract, the contract shall automatically become null and void.

youdao

公约本身规定，缔约方会议第一次会议将于生效之日后一年内召开。

The first session of the COP will take place within a year from the date of entry into force, as specified in the Convention itself.

youdao

本合同有效期自合同生效之日算起为五年。有效期满后，本合同自动失效。

The contract shall be for five years from the date of the contract. The contract shall become and automatically the expiry of the contract 's of validity.

youdao