For all Parties, the principal element of their national communications is information about emissions and reduction of emissions of greenhouse gases and about the action which they have taken to implement the Convention.
3. 对于所有缔约方来说，其国家来文的主要内容是关于温室气体排放量和减少这一排放量以及它们为执行《公约》所采取行动方面的资料。