您要查找的是不是：
- 精子活动率sperm motility
- 经济economy
- 活动activity
- 重大经济活动major economic activities
- 经济活动的减少。A decline in business activity.
- 粗略的glancing
- 经济的economical
- 粗略rough; sketchy
- 费率rate
- 活动的volitant
- 经济发展economic development
- 不良率fraction defective
- 容积率volume fraction
- 世界经济global economy
- 参加活动campaign
- 倍率multiplying power
- 经济衰退(economic) recession
- 不活动inaction
- 电导率electrical conductivity
- 经济形势economic situation
