provisionally acceptable levels of expenditure 暂定预算开支上限
provisionally acceptable levels 暂定上限
the minimum acceptable levels 最低要求
acceptable quality levels 品质验收标准 ; 可接受质量水平
Acceptable Cleaning Levels 可接受清洁水平
preferred acceptable quality levels 优先选用的验收质量标准
levels of acceptable uncertainty 容许的不确定性
You need to assess all project risks to determine if the projects are within acceptable levels of risk.
您需要评估所有项目的风险，来决定项目是否在可接受的风险范围之内。
Air pollution in the city had reached four times the acceptable levels.
这座城市的空气污染程度曾高达可接受标准的四倍。
Are there acceptable levels for radioactivity in food?
有无可接受的食品放射活性方面的规定？
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