For the last 20-30 years cardiology in China mainly has focused on end-stages of disease.

过去20 ~ 30年中，中国的心脏病学一直着重于疾病的终末期。

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Today, the family still mainly has a raw diet, but Paigeincludes butter, cheese, eggs and occasionally fish.

现在，家里还是主要以生食为主，但Paige加入了黄油、奶酪、鸡蛋，有时还有鱼。

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It mainly has two parts as follows: theory research of foamed drilling fluids, and practice achievements in foam and foamed drilling technology.

论文主要包括两大部分：一是泡沫流体理论研究，二是泡沫和泡沫钻进技术的实践成果。

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Mike Henry has sold his invention to hundreds of people, mainly small farmers who also hold other jobs -- just as he does.

VOA: special.2010.07.20

"But this has raised concern that O.E.C.D countries were mainly exporting their shortage problem to countries that may have an even greater need for these nurses."

VOA: special.2010.06.07

Where in the past, the U.S.has relied mainly on seasoned veterans, Ogrean says Team USA features a new look in 2010.

VOA: standard.2010.01.12

It mainly has to do with OPEC, not the U.S. president.

CNN: Talk at A&M on gas prices and election

The expansion of copper and gold mining in Chile and Peru has mainly occurred in arid areas and has led to competition for scarce water with both export agriculture and the needs of the indigenous population.

UNESCO: Urbanization, globalisation and climate change are creating new challenges to water management in the region of Latin America and the Caribbean. | United Nations Educational, Scientific and Cultural Organization

The debate over the constitutionality of the individual mandate has mainly focused on whether the federal government has the right to make every resident of the country to purchase a particular product.

FORBES: What Problem Does the Individual Mandate Solve?