|
今天 IEC60601-1, 无意中看到标准对这两个词解释如下:# T. W( o6 g4 c
1) “shall” means that compliance with a requirement or a test is mandatory for compliance
, o: b! _! a8 ]& a# v- Ewith this standard;( @! D% |" q% a* O) O
2) “should” means that compliance with a requirement or a test is recommended but is not3 ~+ @( H! z p- j& R' E" v1 N7 H
mandatory for compliance with this standard;/ K# ^9 S! P; F; f- h
− “may” is used to describe a permissible way to achieve compliance with a requirement or( N ?' |5 T, X5 N2 H. V/ E
test
+ ^, ?+ [: t8 B供参考! |
|