For ease of use, the following editorial changes have been made to this standard:
--Deletion of the preamble to IEC 61676:2002;
--In Chapter 2, "Normative References'' in Chapter 2, the references to standards such as IEC and IS0, which have been converted into national standards (including metrological verification regulations) are changed to references to national standards.
--In Chapter 3, "Terms and Definitions", the term of the English language does not use small capital letters, but lowercase letters;
--With the decimal point sign "．" instead of the comma "," as a decimal point.
The appendix A, appendix B and appendix c of this standard are informative appendices.
This standard is proposed by the radiation therapy, nuclear medicine and radiation dosimetry equipment standardization sub-technical committee (SAC/TC 10/SC 3) and the mouth.
This standard is responsible for drafting by the Beijing medical device inspection institute.
The main drafter of this standard: Wang Peichen, Zhang Zhaoyuan, Song Lianyou.