Building is principle part of city zone. Vectorinformation of building profile holds vital application value in city research.
建筑物作为城市区域的主体单元，其轮廓的矢量信息在城市研究中有着重要的应用价值。
2
Vector acoustic field is a very important part of sound wave, but the vectorinformation of acoustic wave has been unwitnessed for a long time.
矢量声场时声波场的重要组成部分，但在相当长的一段时间内没有受到重视，声波的矢量信息却被忽略了。
3
Compared with the traditional method, it can describe the feature of residential texture more accurately by using vectorinformation of residential texture.