as is well known是什么意思
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2023-07-11 广告
2023-07-11 广告
信噪比测试是用来衡量音响器材的噪声抑制能力,通常采用以下步骤进行测试:1. 建立指定的输出参考电平并正确接好输入端,操作测量仪器,使这一电平成为0dB的基准值。2. 取消信号源,此时仪表指示的就是信噪比,但是表示成负值,比如,90dB的信噪...
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it
is
well
known
that[英][it
iz
wel
nəʊn
ðæt][美][ɪt
ɪz
wɛl
non
ðæt]
众所周知;
例句:
1.
it
is
well
known
that
china's
millions
of
amateur
property
speculators
want
prices
to
stay
strong.
众所周知,中国数百万业余炒房者希望房价保持坚挺。
2.
addition
3:
it
is
well
known
that
pythagoras
philosophised
with
numbers,
and
conceived
number
to
be
the
basic
determination
of
things.
附释三:大家知道,毕泰哥拉斯曾经对于数加以哲学的思考,他认为数是万物的根本原则。
is
well
known
that[英][it
iz
wel
nəʊn
ðæt][美][ɪt
ɪz
wɛl
non
ðæt]
众所周知;
例句:
1.
it
is
well
known
that
china's
millions
of
amateur
property
speculators
want
prices
to
stay
strong.
众所周知,中国数百万业余炒房者希望房价保持坚挺。
2.
addition
3:
it
is
well
known
that
pythagoras
philosophised
with
numbers,
and
conceived
number
to
be
the
basic
determination
of
things.
附释三:大家知道,毕泰哥拉斯曾经对于数加以哲学的思考,他认为数是万物的根本原则。
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