These sounds, it has been found, are produced in the air-filled nasal sacs of the dolphin.

人们发现，这些声音是由海豚充满空气的鼻囊发出的。

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It has been found necessary to make some cuts in the text.

已发现有必要对文章作些删节。

《柯林斯英汉双解大词典》

It has been found that vitamin E can effectively reduce the recurrence of heart disease.

已经发现维生素 E 可以有效地减少心脏病的复发。

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It can be understood as a source of new-found authority, of the freedom of one who has been characteristically not free and can be received by a reading community in those terms.

这可以被理解为一种新建立的权威和，一个特性上不自由的人的自由的源头,同时也可以被看做在这些领域里的一个阅读区。

耶鲁公开课 - 文学理论导论课程节选

Astonishingly, it has been found that babies display a distinct set of facial expressions in response to different stimuli.

FORBES: How Food Companies Carry Out Sensory Consumer Research On Kids And Babies

Worshipping deities would seem to be an irrational and wasteful habit, yet it has been found in all cultures.

ECONOMIST: Religion

But it is a growing threat in countries including India and South Africa, where it has been found all over the country.

WSJ: Dangerous TB Patient Nabbed On U.S. Border