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baby晴晴
Longitude & Latitude(L&L)经纬Vertical & Horizon(V&H)垂直与水平Matrix 或Orthogonal Matrix（OM）矩阵Orthogonal Coordinate（OC）直角座标
VV爱吃007
纵横freely in length and breadth vertically and horizontally with great ease
lavenderheyijun
vertical and horizontal
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