Reasonable models can be useful to quantitative analysis of the structures and define the timing and activeratio.
合理的模型选取有助于对构造进行定量化分析，确定构造形成时间与活动速率。
2
Among other things, it examines how active users are, as well as their ratio of friends and followers.
它会检查用户的活跃度，也会注意好友和关注者的比率。
3
At the same charge condition, the larger mass ratio of positive and negative active materials is, the more gas produces, the higher internal pressure is.