粮食生产低效益、购销低效率、消费低效用、供求低效能等问题一直困扰着我国粮食经济。
Low benefit in grain production, low efficiency in grain buying and selling, low utility in consumption and low effect in supply and demand and other problems have been bothering our grain economy.
虽然许多飞机设计往往拥有低失速速度，设计许多这些同样具有这些低效益的速度，最低程度的控制。
While many aircraft designs often boast a low stall speed, many of these same designs have minimal control effectiveness at these lower speeds.
作文教学一直以来都是中学语文教学的重头戏，但作文教学的高成本低效益也一直困扰着中学语文教学。
Composition teaching in Junior high school has been the highlight of Chinese Language teaching. However, the efficiency of composition teaching is not high.
中国外经外贸成绩喜人，但问题多多，走的是一条高投入—高消耗—高污染—低产业—低效益粗放式不科学之路。
Although the achievement of Chinas foreign trade is pleasurable, it is on a way of high input, high consumption, high pollution but low production and inefficiency.
中国外经外贸成绩喜人，但问题多多，走的是一条高投入—高消耗—高污染—低产业—低效益粗放式不科学之路。
Although the achievement of Chinas foreign trade is pleasurable, it is on a way of high input, high consumption, high pollution but low production and inefficiency.
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