Developed as a tropical depression about 720 km west - southwest of iwo jima on 10 october and moved generally southwestwards 于十月十日在硫黄岛之西南偏西约720公里处展成为一个热带低气压，并大致向西南移动。
2.
Question 1 : in the new appendix 11 , the central line of the station is 93 meters away from the central line of city square , so , is it possible to move the station 93 meters southwestwards to make the two lines coincide with each other 新附件11中站场中轴线与城市广场中轴线不重合，有93米距离，能否将站场向西南方向移动93米，使两条轴线完全重合？
