The definition of admissible perturbation is romained in the appendix of part 2.
There is an appendix at the back of the book.
See the Console Appendix for more information.
Conclusion: The frequency scan is a useful method in diagnosing mucocele of the appendix.
结论: 高频超声是阑尾粘液囊肿术前诊断及与其他病变鉴别的重要检查手段.
He had his appendix taken out.