其科层结构平整、职能部门间分工明确、高效协作。
Its function departments is clear and have efficient collaboration.
教学的正式结构就是指师生在教学活动中基于不同的地位和职责而形成的科层结构。
The formal structure of teaching refers to the layer structure formed by teachers and students in teaching activity based on different position and responsibility.
结论:HCV可以感染滋养层细胞,并导致滋养层细胞的超微结构发生类似黄病毒科病毒感染后的改变。
CONCLUSION: Trophoblastic cells could be infected by HCV, and the cellular ultrastructure changed dramatically following infection of HCV.
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