鼓膜内陷

The prevalence of tympanic membrane invagination was 15% and 47.5% respectively for 2 kPa /50 s and 4 kPa/50 s.

2kPa/50s"和"4kPa/50s两种情况下，鼓膜产生内陷或略内陷的发生率分别为15%和47.5%。

Results showed: The rates of Riveters's tinnitus, deafness, insomnia, dizziness, fatigue and tympana sunken, incrassated, perforated were higher than those of Trial pilots, and all had statistically significant difference P

结果表明：铆工耳鸣、耳聋、失眠、头昏、疲乏、鼓膜内陷、增厚和穿孔检出率均高于试飞，除头昏和疲乏外，其余均有统计学意义P

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。