词汇：densely
adv. 密集地；浓密地
相关场景
Below are again the average value and turnover plots for the vec_avg field. Average value hovers densely around 15,000 and turnover around 130%. Here as well, you need to reduce turnover by using ts_rank or ts_decay in your Alpha expression.
>> worldquantbrain_5_vector
>> worldquantbrain_5_vector
下面是vec_avg字段的平均值和周转图。平均价值在15000左右，成交率在130%左右。在这里，您也需要在Alpha表达式中使用ts_rank或ts_decay来减少周转率。