求翻译：本协议一式两份，甲、乙双方各执一份，具有同等效力。本合同执行过程中。甲乙双方如需要修改、增删本合同条款内容，则双方协商解决，并拟订补充条款作为同附件。附件具有同等法律效力。是什么意思？

This Agreement in duplicate, both A and B holds one, have the same effect. During the execution of this contract. Both parties, if necessary modifications, additions and deletions to the terms of the contract, the two sides negotiated settlement, and to develop additional terms and conditions as the

This agreement, the two copies each of the two parties, a practice that has the same effect. This contract in the process of implementation. If both parties need to be modified, added or deleted the content, the terms of the contract between the parties, and development of additional terms as attach

This agreement type two, the armor, the second grade both sides hold one respectively, has the same level potency.In this contract implementation.Armor second grade both sides like need to revise, the additions and deletions this contract provision content, then both sides consult the solution, and

This agreement is made in two copies, a and b for each party, has the same effect. In the execution of this contract. Methyl ethyl both sides if necessary modify, delete from provisions of this contract, both parties negotiated settlement, and the preparation of additional articles as attachments. A

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