During Phase II, from January to February 1991, a number of approaches were implemented in an effort to improve mobility and access to transport.

在1991年一月至二月的第二阶段期间，（研究人员）用了很多方法，试图提高移动性并且改进交通工具的利用情况。

youdao

During Phase II, from January to February 1991, a number of approaches were implemented in an effort to improve mobility and access to transport.

在1991年一月至二月的第二阶段期间，（研究人员）用了很多方法，试图提高移动性并且改进交通工具的利用情况。

youdao