微软的互联网战略迄今一直在苦苦寻找牵引力，而雅虎可填补这一空白。
The group would fill a gap in Microsoft's Internet strategy, which has so far struggled to gain traction.
该模型可模拟计算机车柴油机的负荷特性、速度特性和牵引特性。
This model may be used to simulate the load-characteristics, the speed-characteristics and the tractive-characteristics of a locomotive diesel.
表明小型轮式拖拉机叶轮与胶轮并装可提高旱地作业，特别是重负荷作业时的牵引附着性能。
So small tractors fitted with iron wheel with lugs can improve tractive and appendiculate performance of tractor in dry land.
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