we find that it is traveling in a circle--or very nearly a circle -round the earth,going completely traveling是【移动,经过】的意思in a circle【在一个圆中】very nearly a circle【非常近似一个圆】这句话应该是描述行星轨道的,轨道是椭圆,近似是一个圆completely【一般不】放在going前面,这样读起来更...
A roundabout is a form of circular intersection in which traffic travels counterclockwise (in the United States and other right-hand traffic countries) around a central island and where the entering traffic must yield to the circulating traffic [4]. In Fig. (4), the main design elements of ...
Recent studies show that Slit2 increased in the brain following traumatic17 and surgical brain injury18, which implicates that Slit2 may have a role to play during recovery after brain injury in adults16. Slit proteins bind to the immunoglobulin type receptors Roundabout (Robo1–4) which ...
Given the significance of the transportation sector to the economy of a country, major companies and government-linked entities have invested in infrastructure and transportation services. Nonetheless, the sector faces issues relating to traffic congestion, energy consumption, and environmental impacts such...
The results showed a speed reduction effect of around 3.1% with wide road markings. The speed-reducing effect of wide marks was greater during weekends and with more intense traffic volume, while it was slightly attenuated by night. Finally, the calculation of some standard cases on a working ...