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今天 IEC60601-1, 无意中看到标准对这两个词解释如下:# J( ]$ d+ Y- P( B, r
1) “shall” means that compliance with a requirement or a test is mandatory for compliance; q' [' U. b {
with this standard;
( I V1 M9 ^+ k5 U: e( N' b2) “should” means that compliance with a requirement or a test is recommended but is not6 r5 g! [% t- v: l- i9 i" T
mandatory for compliance with this standard;
: e. h/ v# O s% h+ u- M− “may” is used to describe a permissible way to achieve compliance with a requirement or
" Q6 Q9 q, S8 n4 C$ }' _' ]: L+ x& atest
) C( z! b6 h& R供参考! |
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