When the 2D detector operating gas C3F3 at pressur of 700 Pa and the anode at + 700V, the position resolution of about 0.54mm (FWHM) was achieved for 3 - components a particles.

• 其中；多级双维位置灵敏平行板雪崩探测器；使用C3Fs工作气体；气压700Pa；阳极在+700V；对3组分a粒子测得位置分辨0.；54mm(FWHM)。