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今天 IEC60601-1, 无意中看到标准对这两个词解释如下:
) g* A" A( d e0 G, A; ^* X1) “shall” means that compliance with a requirement or a test is mandatory for compliance/ T, ?, \% t# [% E6 u' ^9 }
with this standard;+ `3 P* A* k( c V9 @
2) “should” means that compliance with a requirement or a test is recommended but is not
" t# w3 j/ ^& _ Fmandatory for compliance with this standard;
8 u7 d+ |8 J$ k) e% n− “may” is used to describe a permissible way to achieve compliance with a requirement or- [2 C9 k4 B M
test
6 A1 e& _+ j1 P# U供参考! |
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