With the increase of vertical load and height of ground wheel, ground wheel slide can be reduced.

随着地轮垂直载荷的增加、抓地板高度的加大，地轮滑移率的均值、方差都减少。

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The peanut hill-drop planter comprises a push hand, a machine frame, a ditching knife, a ground wheel, a sowing box and a hill-drop wheel;

该穴播机包括推手、 车架、开沟刀、地滚轮、播种箱和穴播轮；

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Standard all-wheel drive means you’ll have traction even when the ground is slick with zombie gore.

标准的四驱驱动意味着你可以在有僵尸凝血的滑道上驱动汽车。

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You need all-wheel drive and decent ground clearance in addition to the other commuting virtues.

FORBES: The Best Cars for Commuters 2013

Overall, if driven responsibly, a vehicle with all-wheel drive, decent ground clearance and a relatively low center of mass is best, confirms Champion.

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The initial images the SUV-size rover sent back to Earth were black and white and grainy, but one showed its wheel resting on the stony ground, and the vehicle's shadow appeared in another.

CNN: Mars landing went 'flawlessly,' scientists say