还可以作为探索深化教育体制改革的一块试验田。
The Fenpropathrin resistance level are 9.6 and 1.9 fold, the leaf mites of the experimental field having low level resistance.对灭扫利的测定,两地抗性倍数分别为9.6和1.9倍,试验站的棉叶螨已产生低水平抗性;
Rotterdam always was an urban experimental field, since it's center was bombed out during the second World War, but since the eighties Rotterdam lost its courage.鹿特丹一直是一个城市的试验田,因为它的中心被轰炸了在第二次世界大战期间,但自上个世纪八十年鹿特丹失去了勇气。