All sides agreed to investigate the recent history of the text more deeply.

各方表示同意深入调查近来的历史文字。

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From the text of a treaty agreed to entry into force, need many steps.

一项条约从约文的议定到生效，经过许多步骤。

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From the text of a treaty agreed to entry into force, need many steps.

一项条约从约文的议定到生效，经过许多步骤。

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