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买家：1###去
产品很不错，是我喜欢的类型，各方面服务都很好，所以来给个5星好评！
买家：z###1
东西不错，孔位精准，特别好，已经套手机上了，不错，以后回购别的款
买家：y###1
外观设计：好看，颜色相符尺寸大小：合适材质手感：超薄，用着很合手中间出了一点小差错，不过，店家很快就解决了，孩子很喜欢，很可爱！！！
买家：x###0
壳子挺好，没有色差，画面干净，就是NEX本来就重，这壳子也重，加一起，贼重
买家：向###9
可以的X-ray single crystal diffraction studies reveal that compound I crystallizes monoclinic system, P21/n space group. And the asymmetric unit consists of one Ni(II) cation, one half of L4- anion, one Mbpy ligand and two coordinated aqua molecules (Fig.1a). The Ni (II) cation sites in the slightly distorted octahedron and is coordinated by two chelated carboxylate oxygen atoms from L4- anion, two nitrogen atoms from Mbpy ligand and two coordination aqua molecules. The L4- anio***helates two Ni(II) cations through its two carboxylate groups, the rest carboxylate groups were remained u**oordinated. Thus L4- anion linked two Ni(II) cations to for***inuclear coor