There are many perturbation factors on Zhalong wetlands, they include climate, flood pulsing, fire, project construction, farming and grazing.
扎龙湿地的扰动因子有气候、洪水、火、水利工程、农业活动等因子。
Which route from the fire station to a certain farming community minimizes the total number of miles?
从消防站到某个特定的农场社区的最短路线是那条？
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