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In aviation and aviation meteorology, a flight level ( FL) is an aircraft's altitude at standard air pressure, expressed in hundreds of feet.
24 lip 2020 · Addeddate 2020-07-23 22:23:39 Genre Encyclopedia Identifier enwiki-Persian_language-20200724.pdf Identifier-ark ark:/13960/t16n2762s
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A Flight Level ( FL) is a standard nominal altitude of an aircraft, in hundreds of feet. This altitude is calculated from a world-wide fixed pressure datum of 1013.25 hPa (29.921 inHg ), the average sea-level pressure, and therefore is not necessarily the same as the aircraft's true altitude either above mean sea level or above ground level.
The Persian Encyclopedia ( Persian: دایرةالمعارف فارسی; Romanized as Dāyerat-ol-ma'āref-e Fārsi) is one of the most comprehensive and authoritative Encyclopedias written in Persian. It is a two-volume encyclopedia published as three physical volumes.
Persian Wikipedia is a member of Wikimedia Foundation. It started work in December 2003. founder of Persian version is Roozbeh Pour-Nader. [1] [2] It is the 18th largest edition by article count. [3] Persian Wikipedia has currently more than 500,000 articles.
16 cze 2020 · Volume 90%. 1 THE TEACHINGS OF ZOROASTER (audiobook) 01:08:48. 2 آیا علت نابودی شاهنشاهی ساسانی ظلم و ستمی موبدان ب - Shahanshahs of the Sasanian kingdom شاهنشاهی ساسانی 16:03. 3 اسطوره شناسی مرگ2 23:39. 4 اسطوره شناسی مرگ3 23:39.
