Our hypothesis is that about 1 or 2 percent of the population fails to develop a normal thickness of bone overlying the superior canal.
我们的假设是大概1% ~ 2%的人头部无法形成覆盖上半规管的正常厚度骨头。
We develop and estimate a new concentration index of product line under the segment markets. The results of regression with panel data partially support our theoretical hypothesis.
我们还建立和估算了衡量产品线聚集度的指标，利用面板数据进行的最小二乘法回归分析，在一定程度上支持了理论假设。
We develop and estimate a new concentration index of product line under the segment markets. The results of regression with panel data partially support our theoretical hypothesis.
我们还建立和估算了衡量产品线聚集度的指标，利用面板数据进行的最小二乘法回归分析，在一定程度上支持了理论假设。
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