但这些调弦是一种介于开放式调弦与变化调弦之间的调弦。

But these are in kind of a "middle ground" between standard Open Tunings and Altered Tunings.

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总的来说，开放式调弦指的是将弦的音高改变，来达到大调及小调和弦的效果。

Generally, Open Tunings refer to the changing of string pitches to reproduce common Major and Minor chords.

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在吉他演奏中，开放式调弦是将各弦调成一个和弦，这样就不需按弦就可以弹出来。

In guitar playing, an open tuning is one where the strings are tuned so that a chord is achieved without fretting, or pressing any of the strings.

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