A chord with the root at the bottom is said to be in root position.

底部有根音的和弦为本位和弦。

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Although the importance of auxin in root development is well known, the molecular mechanisms involved are still unknown.

众所周知生长素对根的发育有着重要的作用，但对其作用的分子机理却尚未明了。

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In addition to its important role in diverse fundamental processes, indole-3-acetic acid (IAA) is involved in root growth and development.

吲哚乙酸(IAA)除了在多种基本的生命过程中发挥重要作用外，还参与根的生长和发育。

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Also,the root can stay in the ground for as long as three years, so it can be harvested as needed.

VOA: special.2010.06.08

So because so much popular music and particularly rock music has those chords in root position we can track them more readily.

因为很多流行音乐尤其是摇滚乐会在原位上添加这样的和弦,这样听起来会比较悦耳。

耶鲁公开课 - 聆听音乐课程节选

We've talked about some of these already, having to do with the nature of the harmony-- that pop music tends to have simpler harmonies, and that those harmonies tend to be more repetitious, that they tend to have harmonies that have chords in root position.

我们以前说过，这个问题与和声的性质有关-,流行乐通常用较为简单的和声，流行乐通常用较为简单的和声，流行乐手也大多喜欢用原位和弦。

耶鲁公开课 - 聆听音乐课程节选

Sales have risen steadily since, with Waterlase winning subsequent approvals for root canals in January 2002, bone surgery in February 2002 and root canal complications in February 2003.

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