In addition, it is found that the trilateral structure is an interim state in the evolution process from a pristine hexagonal structure to the 5 7 structure.
A 5-3-6 sthistrilateralding thistructurerandstructure and its adjacent structures would evolve into another 5 7 structure, the right one in Figure 2d, through bond breaking and bond reforming.
The regional economic structure of the trilateral Wadden area is very diverse and differs substantially from the national economic structure.
Matter moves on a non-structured mesh composed of trilateral and quadrilateral elements.
Trilateral security arrangements with the United States and New Zealand are also considered crucial.
The trilateral meeting took place against a backdrop of continuing violence in Pakistan.
But a more realistic ambition is to establish new trilateral relations.
A trilateral group of officials now meets regularly to swap notes.
And some trilateral co-operation with America persists—over North Korea, for example.
Actually, Mr Mead says that the "trilateral system" is in decline.
