This paper reports on an experimental study of the effects of discourse structure and prosodic features on English majors' listening comprehension of English texts.

本研究从文本的结构图式及语调范式入手，通过实验对比，检验了学生的结构图式知识和语调辨识能力对听力理解产生的影响。

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This paper is an experimental study on the external validity of HSK.

本文是关于HSK外部效度的一次实证性研究。

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This paper provides an experimental study on day lighting of office buildings.

对办公建筑的天然采光进行了实验研究。

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A new study in the journal Nature has shown some hopeful results from an experimental gel that might protect women from H.I.V.

VOA: special.2009.03.16

The exact cause is unknown. But in a recent study, an experimental drug showed signs of halting the disorder in laboratory mice.

VOA: special.2010.05.19

Last month,researchers reported that an experimental drug improved survival in a study of melanoma patients.

VOA: special.2010.07.06

Researchers claimed a breakthrough in preventing the spread of HIV , the virus that causes AIDS, when the results of a study using an experimental vaccine on 16, 000 volunteers in Thailand showed the risk of infection had been cut by 31%.

ECONOMIST: Politics this week

In their study, the researchers used mammalian retinas with a degeneration of photoreceptors in order to have an experimental model of different degenerative pathologies of the retina, such as Retinitis Pigmentosa or macular degeneration.

FORBES: Artificial Retina From A Photovoltaic Polymer