您要查找的是不是：
- 二维PCA2D PCA
- 二two
- 维dimension
- 二维码two-dimension code
- 二维数组two-dimensional array
- 一种输出设备，将数据以二维图形表示方式直接在可移动的介质上产生硬拷贝记录。An output unit that directly produces a hard copy record of data on a removable medium, in the form of a two-dimensional graphic representation.
- 二维空间two dimensional space
- 闭二维流形closed two-dimensional manifold
- 二维LDVTwo- component LDV
- 二维FLDTwo-Dimensional FLD(2DFLD)
- 二维DLTTwo-dimensional direct linear transform
- 二维层two-dimensional layer
- 二维GIS2D GIS
- 二维FFT2-D FFT
- 二维谱two-dimensional spectrum
- 二维像two-dimensional image
- 二维性bidimensionality
- 二维EMD2-D EMD
- 二维熵2-D entropy
- 二维PSD2-dimensional PSD
