AG

1.Leica Geosystems AG, it's located Switzerland.Leica Geosystems to pioneer globality positioning and laser precision in Metrology.

徕卡测量系统有司是士一家全球性的定位与测量系统的先驱。

2.Methods 15 canines were divided into acellular nerve allografting group (ANG, 6 canines), autografting group (AG, 6 canines) and fresh nerve allografting group (FNG, 3 canines).

方法15犬分成去细胞同种神经组(实验组)6犬、自体神经组(对照组Ⅰ)6犬、新鲜同种神经组(对照组Ⅱ)3犬。