It is a very complicated problem that is not only related to the shock wave interaction, but also to the shape, size and natural frequency of the ventilation structure.
它不仅与冲击波的作用情况有关，而且与通风构筑物的形状、大小、自振周期等因素有关。
The author considers that outburst of coal-seam gases is not only a dynamic phenomenon, but also a very complicated thermodynamical conversion process of energy.
作者认为，煤层气体的突出不仅是一种动力现象，它还是一种复杂的热力学过程。
For the calculation of the crane box-style beam, which is generally very complicated, not only waste much time but also very easily make mistakes.
对于起重机箱形梁的计算一般比较复杂，用人工计算不仅耗时比较长，而且很容易出现错误。
In the CATV Network Optical Cable design, the calculation of parameter is not only complicated but also very important.
在有线电视光链路设计中，参数的计算是一项繁琐且很重要的工作内容。
Ultrasonic motor is a complicated electromechanical coupling system and its theoretical model is not only difficult but also very important.
超声电机是一个复杂的机电耦合系统，其理论模型是电机设计中的重点和难点。
At present, report processing is not only a very important part of Management Information system or complicated Enterprise Resource Planning system, but also a weak part of these systems.
目前，无论是在普通的管理信息系统中，还是在大型、复杂的企业资源计划系统中，报表的处理都是非常重要的必备内容，同时也是比较薄弱的环节。
Although the film is a complicated art, there is a very close relation between films and novels and there are not only distinct similarities but also obvious differences between them.
尽管电影是一门复杂的艺术，但是在电影和小说之间仍然有亲密的关系，在它们之间不仅仅是独特的相似，还有明显的不同。
In present, the topography near the old 10 pipeline route not only is very complicated, but also has influenced the stability of the nearby seabed.
目前，不仅原管线路由两侧冲刷地形十分复杂，而且已影响邻近区域的稳定性。
The pathogenesis of chronic hepatitis B is very complicated. There are not only the sustained existence of HBV, but also the immunological function disorder;
慢性乙型肝炎发病机理比较复杂，既有HBV的持续存在，又有机体免疫功能失调；
The pathogenesis of chronic hepatitis B is very complicated. There are not only the sustained existence of HBV, but also the immunological function disorder;
慢性乙型肝炎发病机理比较复杂，既有HBV的持续存在，又有机体免疫功能失调；
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