The population and the gross potential land resource are proportional to the arable land area and its unit productivity.

人口数量和土地资源生产力与耕地面积和土地单产潜力成正比。

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This is largely due to a steady rise in unit Labour costs, as wage increases outstripped productivity growth (see chart).

这很大程度上是因为国内单位劳动成本的稳步上升，工资的增长超过了生产力的增长(见图表)。

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Applying the principles of repeatable unit testing to BPEL development increases both productivity and quality.

将可重复的单元测试原则应用于BPEL开发可提高工作效率和开发质量。

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Such pay rises as there have been are being eclipsed by rising productivity: unit labour costs actually fell in the second half of 1999.

ECONOMIST: The risks of gradualism

Falling productivity pushes up unit-wage costs, hurting profits and cashflow.

ECONOMIST: Productivity growth

Time Warner posted strong fourth quarter earnings on Wednesday as the company capitalized on the continued success of Harry Potter and the Deathly Hallows Part 1, growth in networks stemming from advertising and subscription growth in HBO and TVS, and improved productivity in its publishing unit, Time Inc.

FORBES: Time Warner Beats Expectations, Hikes Dividend, Pledges $5BN To Buyback Shares