本文进行了探索性的实验，提出了新的灌水模式，以期用较少的水取得较高的产出效益。
In order to make an efficient work with less water, this paper made some explored experiment and raised a new irrigation model.
如果希望某种技术在商业利用方面切实可行，首先在物料的预处理方面要求所得到的中间产品必须是容易发酵的糖份，产量高，浓度也较高，而且技术的实施成本还不能过高，还有生产过程中更不能使用有毒物质，不可以耗费太多能源，最后，所生产出来的草料油在价格方面必须能够与传统汽油一争高下。
They should not use toxic materials or require too much energy input to work. They must also be able to produce grassoline at a price that can compete with gasoline.
但服务业产出增长相对较高，却不会对工业生产率增长产生同样的推动效应。
But relatively high growth of service output does not have the same propulsive effect on growth of industrial productivity.
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