| 1. | Dinitropheol exerted its effect on sucrose uptake or secretion into the sieve tubes .
二硝基酚影响蔗糖的吸收或者分化到筛管里。
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| 2. | Sieve tube of the sand control
不锈钢金属纤维防砂筛管
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| 3. | The sand control sieve tube of the model fs - 1 2 , is a kind of oil well sand control new high - tech product that our company developed
Fs 1 2型防砂筛管，系我公司研制的一种油井防砂高新技术产品。
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| 4. | Cyclosis ( cytoplasmic streaming ) the streaming of cytoplasm in a circular motion around the cell observed in some plants , particularly young sieve tube elements
胞质环流（胞质运动） ：在一些植物细胞特别是在幼筛管分子中观察到的细胞质围绕细胞的环形流动的现象。
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| 5. | They are common in many situations , for example as gland cells and epidermal cells , and in xylem and phloem parenchyma , where they are concerned with active loading and unloading of vessels and sieve tubes
许多情况下都有传递细胞发挥作用，例如：腺细胞和表皮细胞，还有木质部和韧皮部的薄壁细胞，该处导管和筛管的主动装填和排空都与传递细胞有关。
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