But what they can acquire are slice images of human, from which relative space position relations between tissues are not easy to get for users.
但医学成像设备获得的只是人体的二维断层图像,不利于人们获取各组织间的相对空间位置关系。
You can drag-and-move the portlets around the space as well, adjusting their relative position on this dynamic Web page.
您可以随意在空间内拖移这些portlet,在这个动态we b页上调整其相对位置。
There are no constants at all. And measurements of time and space depend on the position of the observer-they are relative.
根本就不存在什么恒星,时间与空间的测量结果取决于观测者的位置——它们都是相对的。
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