active level

基本解释

The currency in circulation is the component parts of basic monetary, also the most active level of monetary aggregates.
现金是基础货币重要的组成部分，也是货币供应量中最活跃的一个层次。
They're not really thinking much about it on a conscious, active level. But underneath, it's sinking in and getting to them, slowly but surely.
他们不会真的有在一种有意识的、主动的状态对内容思考太多，而是潜意识的，内容渗透并到达他们的思想，缓慢但是绝对。
blog.sina.com.cn
Conclusion Pre-S1 antigen of hepatitis B virus can be used to appraise liver function, fit for in organism hepatitis B virus reconstructed active level index.
结论乙肝病毒前S1抗原可以用来评价肝脏功能指标，也可作为机体内乙肝病毒复制活跃程度指标。

"What's very interesting about vitamin D is that it's involved all throughout the body, and it's involved on a local level, so you can have vitamin D active in the breasts, in the prostate,in the colon, and it's thought that the locally-acting vitamin D is helping to protect the body against these cancers, regulating how cells grow and how cells die."

She was not only active at national level but also at international level.
UNESCO: Science Policy and Capacity-Building
This level of active, public library culture was somewhat unknown and revitalising in Nicaragua.
UNESCO: Country Profile: Nicaragua
There is currently an active debate about the true level of unemployment in Spain and how it compares to official government statistics.
FORBES: That Reinhart and Rogoff Committed a Spreadsheet Error Completely Misses the Point