Update indices.md (#114)

docs/intro/indices.md

@@ -58,16 +58,17 @@
 
 ## 波段名称与描述
 
-|    波段名称    |     描述    | 参考波长范围 (μm) |  \*参考波长来源  |
-|---------------|-------------|-------------|-------------|
-|     `'b'`     | Blue        | *0.450 - 0.515* | *Landsat8* |
-|     `'g'`     | Green       | *0.525 - 0.600* | *Landsat8* |
-|     `'r'`     | Red         | *0.630 - 0.680* | *Landsat8* |
-|    `'re1'`    | Red Edge 1  | *0.698 - 0.713* | *Sentinel2* |
-|    `'re2'`    | Red Edge 2  | *0.733 - 0.748* | *Sentinel2* |
-|    `'re3'`    | Red Edge 3  | *0.773 - 0.793* | *Sentinel2* |
-|     `'n'`     | NIR         | *0.845 - 0.885* | *Landsat8* |
-|    `'s1'`     | SWIR 1      | *1.560 - 1.660* | *Landsat8* |
-|    `'s2'`     | SWIR 2      | *2.100 - 2.300* | *Landsat8* |
-|    `'t1'`     | Thermal 1   | *10.60 - 11.19* | *Landsat8* |
-|    `'t2'`     | Thermal 2   | *11.50 - 12.51* | *Landsat8* |
+|    波段名称    |       描述      | 参考波长范围 (μm) |  \*参考波长来源  |
+|---------------|------------------|------------------|------------------|
+|     `'b'`     | Blue             | *0.450 - 0.515*  | *Landsat8*       |
+|     `'g'`     | Green            | *0.525 - 0.600*  | *Landsat8*       |
+|     `'r'`     | Red              | *0.630 - 0.680*  | *Landsat8*       |
+|    `'re1'`    | Red Edge 1       | *0.698 - 0.713*  | *Sentinel2*      |
+|    `'re2'`    | Red Edge 2       | *0.733 - 0.748*  | *Sentinel2*      |
+|    `'re3'`    | Red Edge 3       | *0.773 - 0.793*  | *Sentinel2*      |
+|     `'n'`     | NIR              | *0.845 - 0.885*  | *Landsat8*       |
+|    `'s1'`     | SWIR 1           | *1.560 - 1.660*  | *Landsat8*       |
+|    `'s2'`     | SWIR 2           | *2.100 - 2.300*  | *Landsat8*       |
+|    `'t'`      | Thermal Infrared | *10.40 - 12.50*  | *Landsat7*       |
+|    `'t1'`     | Thermal 1        | *10.60 - 11.19*  | *Landsat8*       |
+|    `'t2'`     | Thermal 2        | *11.50 - 12.51*  | *Landsat8*       |