求翻译：此步反应是可逆的。然后蔗糖磷酸酯酶(SPP) 将蔗糖-6-P迅速降解为蔗糖和磷酸根离子, 而SPS 和SPP 是以复合体的形式存在植物体内, 因此SPS 催化蔗糖生成实际是不可逆的合成过程（Huber and Huber,1996）。是什么意思？

This step of the reaction is reversible. And sucrose phosphatase (spp) of sucrose-6-p-rapid degradation of sucrose and phosphate ions, while the sps and spp is a complex form of plants, so the the sps catalytic sucrose generate the actual irreversible synthesis process (huber and huber, 1996).

This reaction is reversible. And then sugar phosphate ester enzyme (SPP) to sugar - 6 - P rapid degradation of sugar and phosphate ions, root and SPP SPS is to composite the form there is poorly drained, so sugar SPS catalytic converters generate the actual is not reversible and synthetic processes

This step response is reversible.Then sucrose phosphatase (SPP) sucrose - 6-P rapid degeneration for sucrose and phosphoric acid radical ion, but SPS and SPP are by complex form existence plant in vivo, therefore the SPS catalysis sucrose production is actually the irreversible combined sequence (Hu

This reaction is reversible. And sucrose-phosphatase (SPP) will -6-P quickly into sugar and sucrose phosphate ion, and SPS and SPP is to form complexes of plants, SPS-catalyzed synthesis of sucrose is actually an irreversible process (Huber and Huber,1996).

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