The third principal factor is food factor, including "distance to deep water mire".

第三个因子为食物因子，包含因子“距重沼泽距离”；

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The last principal factor is supplement food factor, including "distance to shallow marsh", "distance to farmland".

第四个因子为应急食物因子，包括因子“距轻沼泽距离”和“距农田距离”。

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Results indicated that food factor and vegetation factor are the most important ones affecting habitat selection of giant panda in its reproduction period.

结果表明，在秦岭南坡大熊猫繁殖期的生境选择中，最重要的影响因子是食物因子，其次是植被因子。

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But the report singles out food production as the other major factor driving environmental degradation.

VOA: standard.2010.06.04

You also have to factor in here how much physical work is involved in getting the food.

你还要考虑,多少体力,被用了在寻找食物上

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

If food is a factor in rising obesity levels, this is due to the quantity being eaten, and the way it is consumed, rather than the way it is produced.

BBC: 10 THINGS WE DIDN'T KNOW THIS TIME LAST WEEK

Age is a significant factor in food and beverage spending.

FORBES: Online Calculator Compares How Americans Spend On Food

Of 2, 000 adults polled in February, 20 percent said food health is an important factor when they order dinner.

CNN: How to dine out without hurting your heart