at the exhibition在展览会
in the exhibition在展览中
during 一般指在展会期间
如:
the exhibition period
参展期间
on就用得比较少,一般是看它的主语,或者之前的动词有与on连用的.
如:
pictures on the exhibition
展览会的画像
The Exhibition on Hakka Folk Art
客家民间艺术展演活动
He appreciates the xx at DCBA 2009 Beijing.
at the exhibition在展览会
in the exhibition在展览中
during 一般指在展会期间
如:
the exhibition period
参展期间
on就用得比较少,一般是看它的主语,或者之前的动词有与on连用的.
如:
pictures on the exhibition
展览会的画像
The Exhibition on Hakka Folk Art
客家民间艺术展演活动
He appreciates the xx at DCBA 2009 Beijing.