Recognizing that each certified project activity must involve the participation both of a Party included in Annex I and a Party not included in Annex I for achieving the purpose of the clean development mechanism,
认识到为实现清洁发展机制之目的，每项核证的项目活动都必须要有列入附件一的一个缔约方和未列入附件一的一个缔约方的共同参与，