哪为能把以下翻译一下啊　多谢了

１　The first statistics test the null that the number of the cointegratingvectors is less than or equal to r against a general
alternative, while the second tests the null that thenumber of cointegrating vectors is r against thespecific alternative of rþ1 cointegrating vectors.

２　The study testsfor the order of integration of the log of the　nominal exchange rate and the relative price series
using the Augmented Dickey–Fuller (ADF) test.

另外　multicollinearity.和correlation cointegration是什么意思啊？