it has been shown that是什么意思 it is shown that是什么意思

\u540c\u4e49\u53e5\u8f6c\u6362it has been shown that

it has been shown that \u88ab\u52a8\u8bed\u6001
=It showed that \u4e3b\u52a8\u8bed\u6001

it is shown that
\u82f1[it iz ʃəʊn ðæt]\u7f8e[ɪt ɪz ʃon ðæt]
\u91ca\u4e49
\u5df2\u7ecf\u8868\u660e\u3002\u3002\u3002
\u6570\u636e\u5408\u4f5c\u65b9\uff1a\u91d1\u5c71\u8bcd\u9738
\u53cc\u8bed\u4f8b\u53e5\u767e\u5ea6\u77e5\u9053\u65b0
1
It is shown that different kinds of crosslinking agents are used in reservoirs with different temperature and different condition.
\u4e0d\u540c\u7c7b\u578b\u7684\u4ea4\u8054\u5242\u9002\u7528\u4e8e\u4e0d\u540c\u6e29\u5ea6\u3001\u4e0d\u540c\u6761\u4ef6\u7684\u6cb9\u85cf\u3002

it has been shown that
它已被证明，
双语对照
例句:
1.
It has been shown that omega-3 fatty acids fight depression very effectively.
事实证明不饱和脂肪酸欧米茄-3对抵抗失落的情绪是非常有效的。

2.
Metacognition has been linked with intelligence and it has been shown that those with greater metacognitive abilities tend to be more successful thinkers.
元认知水平与智能水平有关联，事实表明，那些元认知能力很高的人们倾向于成为更成功的思考者。

it has been shown that something
something已经被证实

扩展阅读：itishasbeen since ... give me hope ... the system has been ... worldisminepv ... what is love haddaway ... oracle between ... it is agreed that ... has gone through ... sql between and ...