Hence, the main technical parameters, the suspension systems on bogies and the car interior arrangement of the three types of trains are provided in this paper.
还对这三种列车的主要技术参数、转向架悬挂系统、车内布置作了介绍。
There are three main methods of cost estimation: expert method, analog method and parameters model method.
成本估算主要有三种方法：专家判定法、类比法、参数模型法。
How to control the vibration isolation devices in three main directions of stiffness, damping, and other mechanical properties parameters is the key of the study.
如何控制隔震装置在三个主轴方向的刚度、阻尼等力学性能参数是研究的关键。
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