b20

Mr Mackenzie is chairing the trade panel of the B20 , a group representing global business that makes recommendations to G20 leaders .

麦肯齐目前担任20国集团工商峰会（B20）贸易工作组组长。B20是一个代表全球工商界的团体，会向G20领导人提供一些建议。

In addition , the micro-alloyed carbonitride particles were observed precipitating at dislocation of B20 steel after hot rolling , forming an important phase for strengthening B20 steel .

研究还发现，B20钢轧后于位错线上析出了细小的微合金碳氮化物，是该钢重要的强化相。

The number of chondrocytes increased , and the volume was expanded in group B20 or B40 , the degenerating chondrocytes were not found in the same group .

B20组及B40组细胞数量增多且胞体增大，有较多同源软骨细胞群，无退变细胞。

1992 " Revelation of Bronze B20 . B21 . B22 " shown at the UNESCO United Nations-sponsored24th International Arts Festival in Garnier , France ; won the exhibition award .

1992年《青铜的启示&B20.B21.B22》参加联合国科教文组织主办的“24届国际艺术节”于法国戛纳，获展览奖；