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η (EN)
barua, ishara

barua “η”

η, eta
  1. herufi ya saba ya alfabeti ya Kigiriki
    In studying Greek texts, one must recognize the letter η, which represents a long 'e' sound.

ishara “η”

η
  1. (fizikia) alama inayowakilisha ufanisi au mnato
    The engineer calculated the efficiency η of the solar panel to determine its performance.
  2. (hisabati) ishara inayotumika kuwakilisha dhana mbalimbali za kihisabati, kama vile kazi ya Dirichlet eta.
    In number theory, the eta function η (s) is important for understanding the distribution of prime numbers.