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今天 IEC60601-1, 无意中看到标准对这两个词解释如下:9 K! T* h- {, l6 j; G$ R
1) “shall” means that compliance with a requirement or a test is mandatory for compliance
2 S0 H, i: c% V8 C! C4 xwith this standard;7 w9 T6 ^, }* C
2) “should” means that compliance with a requirement or a test is recommended but is not
! I4 T# ~2 Z/ o, A! e# G& pmandatory for compliance with this standard;, y# `' U$ u1 }4 i
− “may” is used to describe a permissible way to achieve compliance with a requirement or
. P4 l+ j/ i# j$ Q" Vtest
E, `; `) |% h5 ~供参考! |
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