The large central vacuoles often found in plant cells enable them to attain a large size without accumulating the Bulk that would make metabolism difficult.
在植物细胞常可见到大型的位于中央的空泡，这些空泡可使细胞体积增大而无需细胞内容物的积存，因此这些积存现象不会引起代谢困难。
The technical features of SSR sulphur recovery process, its application in a large-size sulphur recovery plant and comparison with introduced advanced technology are described.
介绍了SSR硫回收工艺技术特点、在大型硫回收装置上的成功应用及与引进技术的对比。
There are usually three main features about the pilot plant test sample:large mass and large grain size of samples, difficulty to control the sample grade.
半工业选矿试样一般有三大特点：质量大、矿岩石样粒度大及控制送样品位难度大。
There are usually three main features about the pilot plant test sample:large mass and large grain size of samples, difficulty to control the sample grade.
半工业选矿试样一般有三大特点：质量大、矿岩石样粒度大及控制送样品位难度大。
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