D . the tollgates of improve include generating and selecting solutions 改善由下列关组成：探寻解决问题的方案和选择最佳解决方案。
2.
The lessee should only bear charges of parking and tolls for bridges and tollgates produced during rental period for the vehicle 租车期间，承租方仅负责报销司机和车辆实际发生的过路费、停车费、过桥费。
3.
More than 1 thousand image samples are selected from those acquired from a highway tollgate . the samples almost include all kinds of vehicle plates under using in china now and the conditions of different weather and illumination 这些样本照片几乎包含了我国现行的各种牌照样式的情况，同时基本上反映了各种光照、天气等自然条件下的情况。
4.
For another example , when you pass the tollgate , sometimes you may miss the receipt from the toll collector after you pay the toll , but a toll collector never misses the money from you . this is because the toll collector is in a stable position ; but you , the driver , are in a moving state 还有当我们开车经过收费站时，往往在缴费后，拿不准收费人员给你的收据而掉在地上，但是从来不曾听说过收费站的人会捉不到你给他的过桥费，因为收费人员是居于定的状态，而开车的人处于动的状态。
