confidence coefficient
1.Fig.1 The correlation coefficient and partial correlation coefficient between winter monsoon and intensity index and shear index (in parentheses), significant above 95% confidence level are bold.
2.Fig.2 The intensity index (solid line) and shear index (dashed line) of EAJS, the correlation coefficient between them is ?0.48 (above 95% confidence level).
3.Results The static friction coefficient between the cast Co-Cr alloy clasp and the enamel of human tooth was (99% confidence interval):μs=0.254±0.016 (no lubricant);
