activities

n.

any specific behavior

"they avoided all recreational activity"

the state of being active

"his sphere of activity"

同义词：actionactiveness

an organic process that takes place in the body

"respiratory activity"

同义词：bodily processbody processbodily function

(chemistry) the capacity of a substance to take part in a chemical reaction

"catalytic activity"

a process existing in or produced by nature (rather than by the intent of human beings)

"volcanic activity"

同义词：natural processnatural actionaction

the trait of being active; moving or acting rapidly and energetically

"the level of activity declines with age"

同义词：activeness

1. Many companies use activity-based costing to improve cost accuracy.
   许多公司使用作业成本法来提高成本的准确性。
2. By implementing activity-based costing, the firm was able to identify unprofitable products.
   通过实施作业成本法，公司能够识别出不盈利的产品。