The changes in commercial policies resulted from various factors, but mainly from the need for defense.

引起政策变化的原因是多方面的，但主要出于防务的需要。

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In addition, analysis are made from various factors which would impact the accuracy, and various possible errors are considered base on it.

另外，分析了可能对测量精度造成影响的各种因素，在此基础上对各种可能的误差进行了分析。

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Land degradation in arid, semi-arid and dry sub-humid areas resulting from various factors, including climate variations and human activities.

有各种原因造成的土地干旱退化，半干旱和干燥低湿地区。比如，气候变化和人类活动所致。

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After controlling for various factors, researchers found that the death rate from heart attacks for patients treated at hospitals facing large Medicare payment cuts jumped when compared to hospitals where reimbursement reductions were lower.

FORBES: Left Behind: Will Cutting Medicare Hurt Seniors?

The areas are ranked from No. 1 (best) to No. 200 (worst) on various factors, among them job growth and cost of living.

FORBES: Most Overpriced Places In The U.S. 2006

Kotick rattled off various factors he says make the "Call of Duty" franchise stand out from competitors -- "production value, the level of polish, " that "no detail gets left unaltered, " he said.

CNN: Activision CEO: 'Call of Duty' is like Facebook, texting