文章从山区农业机械运作限制及使用效率方面进行分析。
This limits the operation of agricultural machinery from the mountains and the use of efficiency analysis.
这是因为可能性，供给根本培训和学问的机械运作情况，即便在操作机械不实践存在。
This is due to the possibility to give basic training and knowledge of machines and their operation environment to the operator even when the machine is not actually present.
如果缺乏这种力量，人生将变得模糊不定，毫无意义可言：就如同一潭死水，而非奔腾不息的河流——总在进行有效的工作，推动整个地区的机械运作，让世界充满勃勃的生机。
Stem of character — life will be indefinite and purposeless — like a body of stagnant water, instead of a running stream doing useful work and.
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