全球技术空间体系是指技术存量在技术势差激励下，在全球范围内各区域间交流运动所形成的复杂空间网络。

With the acceleration of globalization and the advancement of the science and technology revolution, the global spatial system of technology has gradually come into being.

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土壤活性有机碳是指土壤中移动快、稳定性差、易氧化、矿化，并对植物和土壤微生物活性较高的那部分碳，常可用水溶性有机碳、微生物量碳和易氧化碳等来进行表征。

Soil labile organic carbon (LOC) refers to the fractions of organic carbons that are easy to move and to be oxidized and mineralized, and they are quite available to plant and soil microorganisms.

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但这也不足以阻止产出缺口的扩大(指经济能够完成的最大产出与实际产出的差)。

But it would not be enough to prevent a sharp widening of the output gap (the difference between actual GDP and what the economy could produce at full capacity).

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A "Subprime borrower" Is somebody who has a poor credit history or some other indication that would suggest that they might not be able to repay the mortgage-- they might default.

次级借款人"指的是,那些信用记录较差的借款人,或在其他方面显示,他们很可能无力偿还贷款,也就是说他们很可能违约

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