You have to know the names of participants and their feet size and approximate height.
你必须知道参与者的名字，他们的脚的大小和大概身高。
The area and height of this deposition determine the ultimate ball size.
该淀积层的面积和高度决定了球的最终尺寸。
The paper size is not valid. Check the values for Width and Height under paper.
纸张大小无效。请在“纸张”下检查“宽度”和“高度”的值。
The paper size is not valid. Check the values for Width and Height under paper.
纸张大小无效。请在“纸张”下检查“宽度”和“高度”的值。
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