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After spring the vegetative growth and reproductive development are all last, so the roots vigour increases.
春后进入营养生长与生殖生长并进期服系活力增高。
youdao
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After spring the vegetative growth and reproductive development are all last, so the roots vigour increases.
春后进入营养生长与生殖生长并进期服系活力增高。
youdao