For an object in simple harmonic motion, the graph of its position versus time is a wave.

于简谐运动的元素，直线 位置与时间的关系图采用波浪的形式。

For instance, beyond showing the geometric relation of the rooms, it can also be used to find out the aspect ratios of the floor for each room.

例如，平面图仅仅示是各个房间的几何位置关系，还可以被用来获得每个房间的长宽比。

Now, the spinothalamic tract is a bit different, because it crosses over to the opposite side of the spinal cord 1 or 2 spinal segments above, where the 1st order neurons enter.

脊髓丘脑束则有点，为其第一级神经元群位置的关系，会在上升1或2个脊髓节段后交叉到侧。