以下为句子列表：
英文: Annular thickening Rings of thickening laid down on the inner wall of protoxylem vessels and tracheids.
中文: 环状加厚：原生木质部导管和管胞的内层环状増厚。
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英文: Both xylem and phloem form a continuous branched system in the whole plant body.
中文: 木质部和韧皮部在植物体内构成一个连续的分支系统。
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英文: Capillarity(capillary action) The rise or fall of liquids in narrow tubes as a result of the surface tension of the liquid, which causes the water to adhere to solid surfaces, such as soil particles or the walls of xylem vessels.
中文: 毛细现象（毛细管作用）：由液体表面张力引起的液体在细管中上升或下降的现象，毛细现象引起水和固体表面的粘合作用，例如土壤颗粒或木质部导管壁。
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英文: Centrifugal xylem differentiates from the center outwards, and a centrifugal inflorescence (e.g. the dichasial cyme ) is one in which the progression of flower opening is from the center to the periphery.
中文: 离心式的木质部分化是从中间开始的，离心式的花序中花开放的顺序是从中央到周围。
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英文: Centripetal xylem differentiates from the outside toward the center, and a centripetal inflorescence (e.g. the capitulum) is one in which the outer flowers open before those in the center.
中文: 向心的木质部的分化是从外向内的，向心式的花序（头状花序）是外面的花比中央的花先开放。
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