permanent normal trading relations (PNTR)
曲面法线
normal to surface【数】;normal to a surface【数】;surface normal【数】
暂无补充释义。
相关词条
completely normal space【数】;full normal space【数】;perfectly normal space【数】
asymptotic normal distribution【数】;asymptotically normal distribution【数】
normal operation condition
nonnormal population
low renin,normal aldosterone
pooled normal human serum
normal dispersion