Highly application of GIS to urban traffic pollution management has been developed, which consisted of proscenium-GIS system, back stage-motor vehicle emission model and spatial data base.
The rocket is long and slender, and fatter on top because its second stage is thicker than its solid rocket motor-powered first stage.
火箭又长又细，上部有点粗，因为它的第二级比固体燃料火箭发动机驱动的第一级要厚。
3
A few weeks ago, her appearance at a motor show in the remote provincial capital of Nanchang (think Des Moines) caused such pandemonium that she had to flee the stage after just three minutes.