月亮词典
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查询
selectivities
选择性
常用释义
词性释义
选择性
例句
全部
The
selectivities
of
A
.
spiniferus
to
different
tea
varieties
could
be
reflected
by the
oviposition
number
of
unit
area
in
rooms
.
以网室内单位叶面积产卵量为指标能客观反映出黑刺粉虱对茶树品种的选择性。
Selectivities
of
the
predicates
in
a
query
determine
the cardinalities (
number
of rows
)
at
various
places
in the
query
execution
plan
.
查询中谓词的选择性决定了查询执行计划中不同位置的基数（行数）。
Stabilities
and
selectivities
of
stationary
phases
prepared
by
the
two
methods
had been
studied
and
compared
.
同时对这两种方法制备的色谱固定相的稳定性和选择性进行了考察和比较。
Using
this
catalytic
system
, the
oxidation
reactions
proceed under
mild
conditions
and give
both
high
conversions and
selectivities
.
该催化体系催化的烃类分子氧氧化反应具有反应条件温和、选择性高等优点。
Investigation
on the
binding
functions
and
selectivities
of imprinting
polymers
with
o
-vanillin
邻香兰素分子模板聚合物结合作用及选择性研究
Microwave
Irradiation
and
Selectivities
in
Organic
Reactions
微波与有机化学反应的选择性
Selectivities
of
hydrolysis of
glucose
and
fructose
mixture
to
produce
mannitol
果葡糖浆加氢制备甘露醇的选择性
For
information
about
obtaining
the
selectivities
of
predicates
and
the
distribution
of
column
values
,
see
the
following
有关获取谓语选择性和列值分布的信息，请参见以下内容