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Each time signature can be classified into a certain meter.
（每一種拍號都可以指定一種節拍）
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The terms duple, triple, and quadruple refer to the number of beats in a measure.
（二拍子、三拍子、四拍子指的是一小節中有多少拍）
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The term simple means that each of these beats can be broken into two notes.
（簡單來說每一拍都可以分為兩個音符）
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For example, 2/4 time is classified as simple duple.
（比如，四二拍的是簡單二拍子）
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“Duple” refers to the two beats per measure.
（“二拍子”的意思是每小節有兩拍）
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“Simple” states that each of these beats can be divided into two notes.
（“簡單”的意思是每一拍都可以被分為兩個音符）
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2/2 and 2/8 are also simple duple.
（二二拍、八二拍也是簡單二拍子）
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3/4 time is classified as simple triple.
（四三拍是簡單三拍子）
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“Triple” refers to the three beats per measure.
（“三拍子”的意思是每一小節有三拍）
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Again, “simple” states that each of these beats can be divided into two notes.
（同樣，每一拍又可以再被分為兩個音符）
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3/2 and 3/8 are also simple triple.
（二三拍和八三拍也是簡單三拍子）
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4/4 time is classified as simple quadruple due to its four beats which can be divided into two notes.
（四四拍是簡單四拍子，他的每一拍都可以被分為兩個音符）
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4/2 and 4/8 are also simple quadruple.
（二四拍和八四拍也是簡單四拍子）
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Notice that a time signature in simple meter will always have a 2, 3, or 4 for the top number.
（注意簡單節奏的拍號上面的數字都是二、三、四）
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While beats in simple meter are divided into two notes, beats in compound meter are divided into three.
（而簡單節奏中的一拍可以分為兩個音符，而複合節奏中的一拍可以分為三個音符）
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To demonstrate this, we will examine 6/8 time.
（我們用八六拍演示一下）
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Notice that the six eighth notes can either be divided into two beats (compound duple) or three beats (simple triple).
（注意六個音符可以既被分為兩拍也可以被分為三拍）
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Since the simple triple pattern already belongs to 3/4 time, 6/8 is compound duple.
（四三拍是簡單三拍子，而八六拍是簡單二拍子）
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Notice that each beat in 6/8 is a dotted quarter note. In fact, all compound meters will have some dotted note as its beat.
（八六拍中的每一拍都是一個附點四分音符。實際上所有的複合拍子都是以附點音符作一拍的）
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Any time signature with a 6 on top is compound duple. 6/8 and 6/4 are the most commonly used.
（拍號上方的數字是6的複合節奏都是複合二拍子，如八六拍、四六拍）
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9/8 time is classified as compound triple.
（八九拍是複合三拍子）
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There are three beats (three dotted quarter notes), thus making the meter triple.
（它的一小節由三個附點四分音符構成，所以它是三拍子）
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Since each beat is made up of three notes, the meter is compound.
（它的一個小節由三個音符構成，所以它是複合節奏）
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Any time signature with a 9 on top is compound triple. Although 9/8 is the most common; 9/2, 9/4, and 9/16 can also be used.
（所有九在上方的拍號都是複合三拍子，八九拍最常用，其次，二九拍、四九拍、十六九拍也比較常用）
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Finally, 12/8 time is classified as compound quadruple.
（最後，八十二拍是複合四拍子）
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There are four beats, thus making the meter quadruple.
（一小節有四拍，所以它是四拍子）
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Since each beat is made up of three notes, the meter is compound.
（每一拍分為三個音符，所以它是複合節奏）
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Any time signature with a 12 on top is compound quadruple. 12/8 and 12/16 are the most commonly used.
（所有十二在上方的拍子都是複合四拍子，八十二拍、十六十二拍最常用）