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今天 IEC60601-1, 无意中看到标准对这两个词解释如下:
2 k# y' U: o" S( I6 y, Z1) “shall” means that compliance with a requirement or a test is mandatory for compliance' }" J9 Y: U4 a) E# H; V+ ~
with this standard;
, e5 c( v' z. Q% y/ G) y2) “should” means that compliance with a requirement or a test is recommended but is not
6 @ z# g% @, {& Nmandatory for compliance with this standard;$ x. m! V' o+ \4 X4 }7 W2 m/ d
− “may” is used to describe a permissible way to achieve compliance with a requirement or. d' J& Z! H% y/ M5 N$ ]8 X
test, _4 w( `& T+ i+ ~
供参考! |
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