Pivot language

（重定向自Parameter language）

A pivot language, sometimes also called a bridge language, is an artificial or natural language used as an intermediary language for translation between many different languages – to translate between any pair of languages A and B, one translates A to the pivot language P, then from P to B. Using a pivot language avoids the combinatorial explosion of having translators across every combination of the supported languages, as the number of combinations of language is linear ( $n-1$ ), rather than quadratic $\left(\textstyle{\binom{n}{2}}=\frac{n^2-n}{2}\right)$ – one need only know the language A and the pivot language P (and someone else the language B and the pivot P), rather than needing a different translator for every possible combination of A and B.

单词	Parameter language
释义	Parameter language 英语百科 Pivot language （重定向自Parameter language） A pivot language, sometimes also called a bridge language, is an artificial or natural language used as an intermediary language for translation between many different languages – to translate between any pair of languages A and B, one translates A to the pivot language P, then from P to B. Using a pivot language avoids the combinatorial explosion of having translators across every combination of the supported languages, as the number of combinations of language is linear ( $n-1$ ), rather than quadratic $\left(\textstyle{\binom{n}{2}}=\frac{n^2-n}{2}\right)$ – one need only know the language A and the pivot language P (and someone else the language B and the pivot P), rather than needing a different translator for every possible combination of A and B.
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