- fourth harmonic line
- Математика: четвёртая гармоническая прямая
Универсальный англо-русский словарь. Академик.ру. 2011.
fourth harmonic line
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harmonic construction — ▪ mathematics in projective geometry, determination of a pair of points C and D that divides a line segment AB harmonically (see Figure >), that is, internally and externally in the same ratio, the internal ratio CA/CB being equal to the… … Universalium
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Dynamics (music) — In music, dynamics normally refers to the volume of a sound or note, but can also refer to every aspect of the execution of a given piece, either stylistic (staccato, legato etc.) or functional (velocity). The term is also applied to the written… … Wikipedia
Copland Piano Variations — The Piano Variations of American composer Aaron Copland were written for piano solo from January to October of 1930. They were dedicated to American writer Gerald Sykes and were originally published by Cos Cob Press in 1932, which merged with… … Wikipedia
Piano Variations (Copland) — The Piano Variations of American composer Aaron Copland were written for piano solo from January to October 1930. They were dedicated to American writer Gerald Sykes and were originally published by Cos Cob Press in 1932, which merged with Arrow… … Wikipedia
Greek arithmetic, geometry and harmonics: Thales to Plato — Ian Mueller INTRODUCTION: PROCLUS’ HISTORY OF GEOMETRY In a famous passage in Book VII of the Republic starting at Socrates proposes to inquire about the studies (mathēmata) needed to train the young people who will become leaders of the ideal… … History of philosophy
Exact sciences (The) in Hellenistic times: texts and issues — The exact sciences in Hellenistic times: Texts and issues1 Alan C.Bowen Modern scholars often rely on the history of Greco Latin science2 as a backdrop and support for interpreting past philosophical thought. Their warrant is the practice… … History of philosophy
African music — Introduction the musical sounds and practices of all indigenous peoples of Africa, including the Berber in the Sahara and the San (Bushmen) and Khoikhoin (Hottentot) in Southern Africa. The music of European settler communities and that of… … Universalium
