1)unstable fission,不稳定裂变2)unstable fission product,不稳定裂变产物3)line of stability against fission,裂变稳定线4)unstable creep,不稳定徐变5)transient creep,不稳定蠕变6)slow-scale instability,慢变不稳定
英汉例句
For the slow-scale stability,slow-scale fixed points and a theorem of slow-scale instability of a discrete-time periodically varying system are proposed.