一旦开始生长，这些植物似乎就不再具有暂停其茎叶新陈代谢的能力。

Once they start growing, such plants seem not to retain the ability to hit the pause button on metabolism in their stems or leaves.

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植物的不同部位具有不同的食用价值：靠下面的部位是营养、多汁的叶子；上面更高的部位则是更为坚硬的茎杆。

The different vegetational parts differ in their food qualities: lower down, there are succulent, nutritious leaves; higher up are the harder stems.

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矮化突变体在阐明植物茎的生长发育调节机制和植物育种中具有十分重要的作用。

Dwarf mutant has very important effect on elucidating regulation mechanism of stem development and plant breeding.

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