Finally , spatial temporal speed figure was introduced to help find the headstream of congest.介绍了用时空速度变化图寻找拥挤源头以及选择交通控制措施的方法.Lichuan locates along the Yi River , headstream of Qingjiang River.夷水河畔、清江源头、龙船古韵 、 风情种种.Teachi...

Lichuan locates along the Yi River , headstream of Qingjiang River.夷水河畔、清江源头、龙船古韵 、 风情种种.Advancing the view of the sustainable development has its definite idea headstream.可持续发展观的提出有其一定的思想源头.Teaching with layers headstre...

n.源头，发源地...

headstream的音标：headstream的英式发音音标为：['hedstri:m]headstream的美式发音音标为：['hedˌstrim]...