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The average thickness of the ice sheet is 7,200 feet; this amounts to 90% of all the ice and 70% of all the fresh water in the world. 冰床平均厚度是7200英尺，占地球总冰量90%25、淡水70%25。
Sediment is thin on the west side with an average thickness of less than 5 km, while it is as thick as 6 km on the east side. 东侧多数在6km以上;
In preoperation,the average thickness of idiopathic epiretinal macular membrane is 386um,then the average thickness of idiopathic epiretinal macular membrane is 364um. 术前特发性黄斑前膜组黄斑中心凹视网膜厚度为386um，继发性黄斑前膜组黄斑中心凹视网膜厚度364um。
The crust is the outermost concentric layer of the earth. It has an average thickness of thirty kilometers and is the thin, rocky veneer that constitutes the continents and the floors of the oceans. 地壳是地球的同心圆圈层的最外面一个圈层，它的平均厚度有30公里左右，薄薄的岩石圈层构成了大陆和洋底。
Results: Migraineurs had on average thicker SSCs than the control group. 结果：偏头痛患者平均SSC厚度超过对照组。
mean corpuscular average thickness 平均红细胞厚度
The thickness of continental crust is not only thicker but also less dense than that of oceanic crust. The average thickness of the continental crust is thirty-five kilometers, though it may be considerably thicker or thinner in particular regions. 大陆壳的厚度比洋壳大，但密度小于洋壳。陆壳的平均厚度为35公里左右，局部地区有增厚和减薄现象。
The article discussed the necessity of stnengthening the teaching of mathematic thicking method and the types of it. It also turther discussed the execution of the teaching. 本文论述了加强数学思想方法教学的必要性.;以及数学思想方法教学的类型
My heart beat thick in the course of the interview. 在面试过程中我的心跳得厉害。
The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
For a while, the darkling star disappeared behind thick clouds. 隐约出现的星星暂时消失在厚厚的云层後面了。
The average output of the factory is 20 cars a day. 该工厂的平均产量是每天20辆汽车。
She felt that his love had always been covered by thick cloudiness. 她觉得他的爱总是笼罩在浓厚的朦胧中。
Can't you get it into your thick skull that we can't afford it? 你这个笨脑瓜难道不明白我们买不起吗？
He shored up the wall with a thick balk of wood. 他用一根粗大的木头把墙撑住。
His income is well below the average. 他的收入大大低于平均水平。
The thick walls deadened the noise from the street. 这道厚墙隔绝了街上的噪音。
We fail one student per year on average. 我们平均每年有一个学生不及格。
The beam has a thickness of 3 inches. 这根梁厚3英寸。
A more accurate method is to compute the average. 一个更精确的方法就是求平均数。