The activity concentration of 40k is lower than all corresponding values in other countries.

40k的活度浓度低于所有其他国家的相应值。

youdao

Evacuation is quite difficult for a large-scale supermarket when fires happen because of the personnel activity concentration, bigger fire density and further dispersing distance.

某大型超市具有人员活动集中、火灾荷载密度较大以及疏散距离超长等特点，需要重视消防设计和安全分析。

youdao

Different substrate and concentration from Portunus trituberculatus will affect digestive enzyme activity.

不同的三疣梭子蟹的底物和浓度会影响消化酶活力。

youdao

Physical activity encourages better concentration.

FORBES: More Career Management Moves In 5 Minutes Or Less

The third major change is the concentration of activity in Washington, D.

NPR: Intelligence Failures In 'Top Secret America'

Regular physical activity enhances important skills, like concentration and problem solving, which have been shown to improve academic performance.

WHITEHOUSE: The White House