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今天 IEC60601-1, 无意中看到标准对这两个词解释如下:- L6 ]/ P$ L; k8 S5 i- N! a; @* e
1) “shall” means that compliance with a requirement or a test is mandatory for compliance! `6 F6 r$ @( Q6 R! q" T
with this standard;, G# \3 O. _8 V& m+ }
2) “should” means that compliance with a requirement or a test is recommended but is not: q! X, j" C3 _8 \: ]
mandatory for compliance with this standard;+ R% `- @* V5 s, v9 e6 W" ]
− “may” is used to describe a permissible way to achieve compliance with a requirement or. o- E- e# ?( |7 d
test% h( [9 U6 {) B: n2 Q7 V! d
供参考! |
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