The neutral scent of kerosene is conc wntrated in the center of the scene .
煤油的中性气味在场景中心被浓缩。
The conc lusions , which adhesion ability of road to the tyre reduces so that braking dist ance increases while road surface roughness increases , are obtained .
得出路面不平度增大时，使路面对车轮的附着能力下降，因而使制动距离增长的结论。
Measures taken by the ratifying state to this effectshall not be in contradiction wit h the principle of free movement ofworkers stipulated by the treaties to which the two states conc erned maybe parties .
