Octave

(noun.) a rhythmic group of eight lines of verse.

(noun.) a musical interval of eight tones.

(noun.) a feast day and the seven days following it.

艾德蒙编辑

• If the string is made to vibrate in two parts, it gives forth two notes, the fundamental, and a note one octave higher than the fundamental; this is called the first overtone. 伯莎M.克拉克. 科学通论.
• According to Octave Chanute there was in Europe in 1889 utter disagreement and confusion in reference to fundamental questions of aerodynamics. 李贝. 西洋科学史.
• Referring to Section 263, we see that the interval between C and E is 320/256, or 5/4, and the interval between C and C' is 512/256, or 2; the interval between any note and its octave is 2. 伯莎M.克拉克. 科学通论.
• The pitch of a note emitted by an open pipe is one octave higher than that of a closed pipe of equal length. 伯莎M.克拉克. 科学通论.
• Hence, the vibrating string produces two sensations, that of the fundamental note and of its octave. 伯莎M.克拉克. 科学通论.
• Are we perhaps like a child whose hand is too small to span an octave on the piano? 沃尔特·李普曼. 政治序论.
• The violoncello, because of the length and thickness of its strings, is pitched a whole octave lower than the violin; otherwise it is similar. 伯莎M.克拉克. 科学通论.
• The successive notes in one octave of the musical scale are related as follows:-- |Key of C |C |D |E |F |G |A |B |C' | |No. 伯莎M.克拉克. 科学通论.

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