検索結果- 英語 - 英語
検索内容:
Sandford principle
noun
Bridlington principle
Fermat's principle
name
The
link
between
ray
optics
and
wave
optics,
stating
(in
its
original
strong
form)
that
the
path
taken
by
a
ray
between
two
given
points
is
the
path
that
can
be
travelled
in
the
least
time,
or
(in
a
weaker
form
that
is
true
for
all
cases)
in
a
time
that
is
"stationary"
with
respect
to
variations
of
the
path
—
so
that
a
deviation
in
the
path
causes,
at
most,
a
second-order
change
in
the
traversal
time.
handicap principle
name
A
hypothesis
attempting
to
explain
how
evolution
may
lead
to
"honest"
or
reliable
signalling
between
animals
which
have
an
obvious
motivation
to
bluff
or
deceive
each
other.
It
suggests
that
costly
signals
must
be
reliable,
costing
the
signaller
something
that
could
not
be
afforded
by
an
individual
with
less
of
a
particular
trait.
Haldane principle
name
harm principle
noun
principle of indifference
noun
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