常見例句雙語(yǔ)例句The positron annihilation lifetime spectrum(PALS) method was employed to study the effect of proton radiation on microstructure of the space grade KH-L-Y polysilicone rubber.用正電子淹沒(méi)壽命譜方法（PAL S）研究了質(zhì)子輻照對(duì)空間級(jí)硅橡膠KH- L - Y微觀結(jié)構(gòu)的影響。 返回 annihilation proton