However, if this level cannot be reached under the prevailing country-specific conditions, the reference level should not exceed 300 Bq/m3.

但是，如果在国家现有特定情况下不能达到这一水平，参考水平也不应超过300Bq/m3。

youdao

The above indexes are all better than industry-reference-level, which shows that the project economic benefit is good and feasible.

上述指标均好于行业基准水平，说明项目经济效益较好，在项目上是可行的。

youdao

The above indexes are all better than industry-reference-level, which shows that the project economic benefit is good and feasible.

上述指标均好于行业基准水平，说明项目经济效益较好，在项目上是可行的。

youdao