The distance from the hip joint to the ground predicted the observed energy cost of movement with 98% accuracy for a wide variety of land animals.

对于许多陆地动物来说，从髋关节到地面的距离可以推测出活动时的能量消耗，其准确度达98%。

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In contrast to aquatic life, land-based animals, whose vision-based sensory field extends for hundreds of meters, have time to contemplate a variety of actions and pick the best one.

和水生动物不同，陆生动物的感官场建立在视觉的基础上，可以延展好几百米远，因此它们有时间考虑各种行动并选择最好的一种。

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The group's mission is simple, if grandiose: to reforest the land with a variety of the most interesting tree species from around the world, and by extension, halt and reverse climate change.

该组织定下的研究目标既简单又宏大：让那些来自世界各地且最有意思的树种在大地上汇聚成林，进而阻止并逆转气候变化。

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"Strong support is needed for them to rebuild their lives,". "The Mauritanian national refugee organization and its partners are assisting in the reintegration process with a variety of programs allocating farm land, providing Arabic and French language courses, doing medical screening of the returnees,etc."

VOA: standard.2009.10.24

Soil contamination has long been an issue in China, were rapid industrialization and lax enforcement of environmental-protection laws have resulted in the pollution of large swathes of arable land with a variety of heavy metals.

WSJ: China Seeks to Calm Anxiety Over Rice

Owners often offer a variety of food from their own land and local growers such as Olafsson.

BBC: A local food scene burns in Iceland

Strategically located on major trade routes, it was easy to reach by land and water, and endowed with high quality wood, steel tools and a variety of skilled labour.

ECONOMIST: Celebrating a mighty era of violin-making