例句與造句

1. Based on the study of wavelet analysis theories and on the analysis of gear transmission vibration , continuous wavelet transform multi - resolution analysis and wavelet packet decomposition are respectively studied and applied in extracting the feature vectors of transmission gear extraction methods , then these three feature extraction methods are compared and useful conclusions yield
   本文應(yīng)用小波分析方法，針對變速箱齒輪運行過程中的振動信號的特點，研究了基于連續(xù)小波變換、小波分析的多分辨分析和小波包分解的變速箱齒輪振動信號的特征向量提取方法，并將這些方法進行比較，得到了有用的結(jié)論。
2. It's difficult to find vector of transmission in a sentence. 用vector of transmission造句挺難的