Focus on landing mid-sole, with your foot directly underneath your bodywith every step.

集中脚底中间着地，同时你的脚每步都直接在你身体下面。

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Step Three: By the year 2049, the 100th anniversary of the P.R.C., China's level of development is expected to be on par with the mid-ranking developed countries.

第三步，到21世纪中期建国100周年时，达到中等发达国家水平。

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And the solar short wave radiation, net long wave radiation and ocean heat flux are all used with a daily mean for every time step based on the sea ice mid-short range variation characteristics.

并在考虑海冰中短期变化规律的基础上，对太阳短波辐射、净长波辐射及海洋热通量，提出以日平均量代替一个时间步长内的平均来进行处理的方法。

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Most important of all, the government is drafting a law to make it harder for Albanians to keep some 1m guns looted from police stations and barracks during the anarchy, and from mid-September it will step up a campaign to seize them.

ECONOMIST: Albania

Mr Martinez, who has been elected seven times (holding office on and off since 1981), had to step down in the mid-1980s when federal extortion and racketeering charges were brought against him.

ECONOMIST: Florida politics

He has a few suggestions for mid-career (or aspiring to a mid-career) print reporters in this handy 10-step program for weekend Forbes readers.

FORBES: How to Survive the Death of Print Media