evaluation of scie
ntific deve
lopme
nt.
Nature security type
--nature security is to mainte
nance pe
opl e of healt
h value for target, through stre
ngthe
ning se curity
base  d management, a
nd risk ma  nagement, a
nd e  qui pment manageme
nt and technology supervi
sion, ensure
producti
on i n the pe
ople, a  nd real, a
nd
system, and
system, element
security reliabl
e, and harmony unifie
d, full control vari
ous against factor
s, achieved t
houg ht no slack
, and ma
nagement
no empty
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