Poor brain development causes learning disabilities in 2% to 3% of the population, but the problem is more prevalent in males.
有2%到3%的人因大脑发育不良而引发学习障碍，但这类学习障碍者绝大多数是男性。
The qualitative analysis and quantitative study show that the difference of the fracture development causes the major reservoirs not absorb water.
从定性分析和定量研究可以看出，裂缝发育程度差异是主力油层不吸水的主要原因。
The qualitative analysis and quantitative study show that the difference of the fracture development causes the major reservoirs not absorb water.
从定性分析和定量研究可以看出，裂缝发育程度差异是主力油层不吸水的主要原因。
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