low-level

low-level
adjective
  1. 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
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