这个仪式，也提供了一个机会去签署或批准国际环境公约。
This observance also provides an opportunity to sign or ratify international environmental conventions.
再次，探析旨在保护地球环境资源之各类国际环境公约，在国际贸易活动中的法律效力问题。
Thirdly, it analyzes issue of legal effect in international trade activities of the international environmental conventions that are proposing to protect the environmental resources on the earth.
中国对已经签署、批准和加入的国际环境公约和协议，一贯严肃认真地履行自己所承担的责任。
China always conscientiously carries out its responsibilities for international environmental conventions and agreements which it has signed, approved or joined.
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