The race may still be months away, but now is the time to start building your aerobic base with steady, comfortable runs - focusing on time and distance.

距离比赛可能还有数月，但现在正是开始构建稳定的、充裕的有氧长跑基础的时候了，重点在于跑步的时间和距离。

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To calculate finger length accurately you must measure the distance from the midpoint of the lowest crease at the base of the finger on the palm side to the very end of the fleshy tip.

要准确计算手指长度，就必须测手指掌面最低折痕中点到肉的尖端尾部之间的距离。

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Estimating of substitution number of amino acids is basic statistic methods of measuring evolution distance between proteins, which is the base of researching molecular evolution of protein.

氨基酸替代数的估计是测定蛋白质分子间进化距离的基本统计方法，是研究蛋白质分子进化的基础。

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One report said the landmine had been planted a short distance from their base.

BBC: Kenyan soldiers in Liboi (file photo)

In the Barossa Valley, rows of luscious emerald vines stretch into the distance, lapping against the base of rolling golden hills.

BBC: Beyond the vines in Australia��s Barossa Valley

And now, with the purchase of MCI, Seidenberg is propelling the company further into national markets, grabbing MCI's long distance network and its lucrative base of corporate customers.

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