Wood, the primary source of heat for homes and industries and also used in the iron industry as processed charcoal, was diminishing in supply.

木材是家庭和工业的主要热源，也以加工木炭的形式用于铁工业，它的正在减少。

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Large scale biotechnology will compete with petroleum and coal to supply the primary sources of organic compounds for fuels and high tonnage industrial products.

高阶滴生物技术将与石油、煤炭等竞争，可提供燃料型有鸡化合物以及大吨位工业产品型有鸡化合物滴主要来源。

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Testing earlier in the supply chain, near the point of primary production, might seem like the most advantageous approach.

早在供应链进行测试，靠近初级生产的点，似乎是最有利的办法。

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Its found little relation between the supply of primary care doctors in a region the percentage of people who see a primary care doctor each year.

FORBES: Are Doctors Too Disorganized?

Analysts believe a core reason CIGNA and Humana have bought onsite clinic businesses is to ensure they have a supply of primary care physicians as demand increases for primary care.

FORBES: Solving Healthcare Requires Primary Care Renaissance

That is one radical implication of an intriguing new report from the folks at Dartmouth Atlas that finds little relationship between the supply of primary care doctors in a region and access to high quality care.

FORBES: Are Doctors Too Disorganized?