A.無(wú)重點(diǎn)的報(bào)警 B.不準(zhǔn)確的報(bào)警 C.準(zhǔn)確及時(shí)并有重點(diǎn)的報(bào)警
A.不準(zhǔn)確的報(bào)警 B.無(wú)重點(diǎn)的報(bào)警 C.準(zhǔn)確的報(bào)警
A.±3% B.±4% C.±5%