Agriculture and fishing formed the primary sector of the economy in the Netherlands in the seventeenth century.

农业和渔业是17世纪荷兰经济的主要部分。

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There are four key industrial economic sectors: the primary sector, largely raw material extraction industries such as mining and farming;

有四个主要工业经济部门：初级部门，主要原材料的开采，如采矿业和农业；第二产业，涉及炼油，建筑，制造；

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The formal education sector comprises primary and secondary school institutions.

正式教育机构包括初级和中等教育机构。

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Those in the state sector, you would start primary school,

那些在公立学校的孩子们，会开始读小学，

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These two outcomes largely countered a broad base of production gains across the primary sector.

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For the primary sector, it went from 5.8% in January 2005 to 5.4% at the same time this year.

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Furthermore, Pfizer has also been strong in the Primary Care sector with drugs to treat conditions like heart disease, arthritis and depression.

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