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今天 IEC60601-1, 无意中看到标准对这两个词解释如下:3 m# b. e( h% H3 F
1) “shall” means that compliance with a requirement or a test is mandatory for compliance1 v& Q+ h- E0 n+ k
with this standard;
* t* U8 P1 r y! Q, H2 r$ f; r2) “should” means that compliance with a requirement or a test is recommended but is not
$ L% A5 s; |* y; }mandatory for compliance with this standard;, V/ a; r' I! p7 k/ J9 u
− “may” is used to describe a permissible way to achieve compliance with a requirement or: Z$ D5 v) {4 c4 a
test% D4 N6 K+ ~) G( j" ~
供参考! |
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