situated relatively near or below ground level 低空的;低标高的 low-level flying was banned. 低空飞行是被禁止的。 ■of or showing a small degree of some measurable quantity, for example radioactivity 低水平的;含量低的;低能级的;低放射性水平的 the dumping of low-level waste. 倾倒低放射性废物。 ■of relatively little importance, scope, or prominence; basic 下级的,地位低的;低级别的 opportunities to progress beyond low-level jobs. 脱离低级职位的机会。 ■(Computing)of or relating to programming languages or operations which are relatively close to machine code in form (计算机)(与)低级(有关)的