| Subject | Spanish | English |
| comp., MS | estilo de referencia R1C1 | R1C1 reference style (" A convention for referencing the location of cells in a worksheet in which both the rows and the columns on the worksheet are numbered. The location of a cell is indicated with an "R" followed by a row number and a "C" followed by a column number.") |
| comp., MS | notación R1C1 | R1C1 notation (" A convention for referencing the location of cells in a worksheet in which both the rows and the columns on the worksheet are numbered. The location of a cell is indicated with an "R" followed by a row number and a "C" followed by a column number.") |
| immigr. | Subcomité 1c | Subgroup on Airports |
| immigr. | Subcomité 1c | Subgroup 1 c |
| met. | tenacidad a la fractura en deformación plana K1C | plane strain fracture toughness Klc |