短語(yǔ)詞組短語(yǔ)barrier penetration in fission 分裂中障壁貫穿barrier -layer penetration 阻擋層穿透missile barrier penetration 飛射物屏障貫穿件general barrier penetration 一般勢(shì)壘貫穿potential barrier penetration 勢(shì)壘穿透square barrier penetration 方勢(shì)壘貫穿probability potential -barrier penetration 勢(shì)壘穿透機(jī)率barrier penetration in alpha decay 阿伐衰變內(nèi)障壁貫穿penetration barrier 障壁穿透 返回 barrier penetration