tonu dualeko multifrekuentzia(The signaling system used in telephones with touchtone keypads, in which each digit is associated with two specific frequencies)
aukera anitzeko ariketa(A type of question (for example, in a poll, survey or test) where the user must select a response from a set of pre-defined options)
multiple use management area 1. Coordinated management for the most judicious and harmonious use of the land on a long term basis under the concept of combining two or more uses and/or purposes with attention to sustainability and nonimpairment of the natural resources and land area. 2. Use of land for more than one purpose; e.g. grazing of livestock, watershed and wildlife protection, recreation, and timber production