第3个回答 2019-01-05
Network
Security
Network
security
refers
to
the
network
system
hardware,
software
and
its
system
of
data
protection,
not
due
to
accidental
or
malicious
reasons,
suffered
damage,
change,
disclosure,
the
system
normally
continuous
and
reliable
operation
of
network
services
not
be
interrupted.
In
terms
of
network
security
by
its
very
nature
is
a
network
information
security.
Broadly
speaking,
any
network
of
information
related
to
the
confidentiality,
integrity,
availability,
authenticity
and
control
of
related
technical
and
theoretical
research
areas
are
network
security.
Network
security
is
one
related
to
computer
science,
network
technology,
communications
technology,
cryptography,
information
security
technology,
applied
mathematics,
number
theory,
information
theory
and
other
disciplines,
comprehensive
discipline.
Network
security
will
be
with
the
specific
meaning
of
"point
of
view"
and
varies.
For
example:
from
the
user
(individual,
corporate,
etc.)
point
of
view,
they
want
to
deal
with
personal
privacy
or
commercial
interests
of
the
information
transmitted
over
the
network
is
subject
to
the
confidentiality,
integrity
and
authenticity
protection,
to
avoid
other
people
or
competitors
to
use
wire-tapping,
pretending,
tampering,
repudiation
and
other
means
of
violating
a
confidential
nature:
information
is
not
leaked
to
unauthorized
users,
entities,
or
processes,
or
for
their
use
features.
The
availability
of
controllability
may
wish
to
review
the
integrity
of
confidential
PPT
PPT,
is
the
Power
Point
for
short.
Power
Point
software
from
Microsoft
Chupin's
office,
one
of
a
series
of
important
components
(and
Excel,
Word,
etc.).
Microsoft
Office
PowerPoint
is
a
presentation
graphics
program,
Power
Point
is
a
powerful
presentation
authoring
software.
Either
alone
or
online
that
can
help
you
create
a
permanent
visual
effects.
It
enhances
the
multimedia
support,
the
use
of
Power
Point
presentation
produced
can
be
played
in
different
ways,
but
also
can
be
printed
one
page
of
the
presentation
slides,
use
the
slide
machine
or
projector
playing,
Your
presentation
can
be
saved
to
the
CD-ROM
for
distribution,
and
can
play
audio
during
a
slide
show
or
video
streams.
Of
the
user
interface
has
been
improved
and
enhanced
support
for
smart
tags,
you
can
more
easily
view
and
create
high-quality
presentation
第4个回答 2020-02-20
Molten
iron
from
iron
water
tank,
frame,
and
connected
to
a
buffer
device,
composed
of
four
parts
of
the
bogie.
1,
Hot
Metal
Ladle
Lack
of
water
for
the
iron
ball
at
the
end
of
cone
tank.
Tank
shell
by
welding
together
steel
plates
with
the
pylon,
lined
masonry
firebrick.
There
hanger
lifting
cranes
used
for
iron
axes
and
water
to
sit
in
the
frame
on
the
support
shaft,
with
the
pylon
also
for
the
welding
together
iron
in
the
water
machine
in
front
of
cast
iron
pillars
supporting
the
rotary
tipping
claw;
the
lower
part
of
a
tank
Welding
of
the
ear
hanging
seat,
hanging
ear
seat
for
the
iron
pin
with
water
flip,
hook
hoist
upgrade,
Hot
Metal
Tank
mouth
is
connected
to
the
hot
metal
bolt
Tanks
on
the
mouth.
See
structure
(Figure).
2,
Frame
Dual-beam
frame
is
welded
steel
support
structure
and
connected
with
bolts,
to
bear
the
full
load,
and
pass
on
the
bogie,
the
central
box
beam
bending
is
thick
steel
plates
welded
together,
this
box
has
a
curved
beams
Sufficient
strength
and
stiffness.
3,
and
a
buffer
device
to
connect
General
selection
on
the
13th
on
the
role
of
the
coupler
and
a
spring-buffer
4,
bogie