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Publikováno v:
IOP Conference Series: Earth and Environmental Science. 555:012111
In this paper, the sound insulation performance of the floating floor is studied from the perspective of its structural application. The field test shows that the sound insulation improvement value of the dry laying method is higher than that of the
Publikováno v:
IIKI
Investor sentiment will have an important influence on the trend of stock prices. There is rich information about stock reviews in the online community and investor sentiment analysis based on text mining has become a hot research topic in the field