正在实行;
生效;
XIII. This Agreement shall be in effect after it is subscribed.
本协议签章后即可生效.
Initially the contract will be in effect for 3 years.
最初契约的有效期为三年.
The contract will be in effect for one year as from to.
本合同有效期为一年,即年月日到年月日为止.
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