pick box meaning in Chinese

截齿座

Cutter chain pick box
截链齿座
In the paper , both the frequency and spectrum analyses and testing modal analyses have been investigated based on the research achievements of the internal and abroad . data interface software has been developed with the data picking box cras
本文在对机械振动系统的国内外研究现状进行综述的基础上，着重探讨了结构动力特性中的频谱分析和试验模态分析两个问题，并结合cras数据采集箱开发研制了数据接口软件。
Testing datas are gathered by using data picking box cras . a general dynamic model for analyzing characters of vibration system has also been developed according to the input and output applied on the testing system . identifications for structure modal parameters and frequency - spectrum characters have been carried out by calling the interface software developed unpon matlab software in both the time field and the frequency field . the structure modal parameters and frequency - spectrum characters have been accurately calculated
利用cras数据采集箱的数据采集功能对系统的信号进行数据采集，通过接口软件调用matlab软件平台，分别针对时间域和频率域两种研究方向，解决振动系统模态参数的辩识问题和结构的频谱特性分析问题，得到系统的相干函数等频谱特性，获得模态参数，如模态频率、阻尼等的精确解。