本条约须经批准方可生效。

The treaty is subject to ratification.

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该协议必须经由美国参议院和俄罗斯议会批准方可生效。

The United States Senate and Russia's parliament must both approve the agreement for it to take effect.

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合同的任何修改都应该经过我们双方书面同意以后方可生效。

Any amendment of the contract shall come to force only after the written agreement is signed by both of us.

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