研究表明，工作面瓦斯涌出的总体平均水平与工作面采煤推进速度关系密切。
The result shows that the average of absolute gas emission rate of the working face closes to the cutting speed of the shearer.
但是，如果你在考虑购买住房，这里有一个较激励人的消息：虽然总体市场平均水平或许并不像期望的那么便宜，但你可以忽略它。
But if you are thinking of buying a home, here's the more positive news: While overall market averages may not be as cheap as you might have expected, you can probably ignore them.
结果表明：漳州职业技术学院学生体质的总体水平良好，且优于全国19～22岁学生的平均水平；
The result shows that general level of students fitness is good, and precedes the nations from 19 to 22.
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