30.95%的样本上一年内部控制质量在中等水平，两者的比重之和达到80.95%，的翻译：30.95% sample quality of internal control in the middle level of the previous year, and as a proportion of the two 80.95%, 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

30.95% of the sample quality of internal controls in the previous year, the middle level, the proportion of two and reached 80.95%,

30.95% sample quality of internal control in the middle level of the previous year, and as a proportion of the two 80.95%,

30.95% sample previous year internal control quality in the medium level, the both sum of proportion achieves 80.95%,

Samples of the 30.95 % a year, quality of internal controls at the intermediate level two and reached 80.95 % of the share.

30.95% sample quality of internal control in the middle level of the previous year, and as a proportion of the two 80.95%,