Cox regression analyses were performed. 数据采用回归分析处理。
In regression, we can have only one dependent variable in our estimating equation. 在回归分析中，估计公式只能有一个相关变量。
At last, the advantages of bibliometrics analysis on the technology foresight in Japan are summarized. 最后对文献计量分析应用于日本技术预见中的优点进行总结。
The conventional econometrical method may lead to spurious regression so that the preceding conclusion is under the ground. 传统的计量分析手段可能导致伪回归，那么前面的结论就不可靠了。
