他们能步入中上等收入水平吗？
中上等社区是什么概念啊？
汤姆的功课是中上等水平。
他是位中上等的钢琴家。
稻草还田提高产量、中上等烟、均价，从而提高产值和净效益。
Straw returned to field could increase nicotine content in upper leaves while decrease that in lower and middle leaves.
对大多数中等或中上等美国人来讲，基本需要已不再是非常基本的了。
For most middle or upper middle class Americans, basic needs are not very basic anymore.
拉萨世界屋脊旅社是一家以倡导“驴友文化”为动力的个性化中上等旅社。
The hostel 'roof of the world' is a middle level hostel, which promotes a culture of independant travel as its driving force.
玉米茬烤烟增施钾肥，显著提高烟草中上等烟比例和产值，但对产量作用不明显。
More potassium fertilizer application in a previous corn soil can notably improve tobacco quality, in-crease out put value and yield.
但秸秆还田处理能提高烤烟品质，在一定程度上提高中上等烟的比例，其产值较高。
The farming measures of straw mulching increased the proportion of middle and superior tobacco leaves and output value was the highest.
韩国式烤炉，控温控湿效果好，中部烟叶中上等烟比例高，节煤效果最好，但价格贵。
Korean type had better effects on controlling temperature and humidity, high ratio of the middle class and superior leaves and the lowest coal consumption, but the price was expensive.
韩国式烤炉，控温控湿效果好，中部烟叶中上等烟比例高，节煤效果最好，但价格贵。
Korean type had better effects on controlling temperature and humidity, high ratio of the middle class and superior leaves and the lowest coal consumption, but the price was expensive.
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