为提高越野汽车的平顺性，研究了典型越野路面不平度与车轮跳离路面量间的关系。
In order to improve the ride comfort of off-road vehicles, the relation between the quarry terrain unevenness and the wheel jumping estimation were researched.
也就是说，仅在地面低附着力的路况下，如越野路面、雪地或结冰时，采用四轮驱动的方式。
That is, only for use in low-traction conditions, such as off-road or on snow or ice.
新系列还包括一个活塞设计，它可降低阻力，增加间距和滚转控制，这有助于军用车辆在崎岖的地形和越野路面的表现。
The new series also includes a piston design that makes digressive forces for added pitch and roll control. This helps with performance over rough terrains and on off-road surfaces.
巨大机械不久后将发布一款带有轻型内置避震器的新车架，它将会受到那些在坑凹路面和越野道路上骑车的人的青睐。
Giant will soon begin distributing a new frame with built-in lightweight shock-absorbers, which should appeal to riders on potholed streets and off-road trails.
很多跑步爱好者没有机会到跑道或是跑步机上跑步，越野跑的不规则路面又会有显著的风险，因此大家都习惯到马路上跑。
Many runners do not have access to a track or treadmill and the irregular surfaces of cross-country running provide obvious hazards; therefore, most take to the roads.
越野不得不等到路面发射的原因是额外的开发工作，去创造越野追踪和各种底盘。
Off-road will have to wait until on-road is launched, the reason for this is the extra development work that has to go in to creating the off-road tracks and various chassis.
其次建立该整车的刚柔耦合动力学模型，并进行越野路、强化路等路面的整车动力学仿真，得到相应的模态位移时间历程；
Secondly, the whole vehicle rigid-flexible coupling modal equipped with the frame is built and analyzed to obtain the load histories through driving on cross-country path and strengthen-road .
其次建立该整车的刚柔耦合动力学模型，并进行越野路、强化路等路面的整车动力学仿真，得到相应的模态位移时间历程；
Secondly, the whole vehicle rigid-flexible coupling modal equipped with the frame is built and analyzed to obtain the load histories through driving on cross-country path and strengthen-road .
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