Abstract: The invention relates to a tantalum nanocomposite and a preparation method and application thereof, lymph tracer and radiosensitizer. The tantalum nanocomposite provided in the invention includes tantalum nanoparticle and bio-surfactant acting on the tantalum nanoparticle. The tantalum nanocomposite provided in the invention has good biosafety and can improve the effect of radiation therapy as a radiosensitizer.

Abstract: The present disclosure is related to a method and an apparatus of mining synonymous phrases. The method comprises: obtaining, according to a parallel text corpus, a first phrase-alignment relationship from phrases of a current language to phrases of an intermediate language, and a second phrase-alignment relationship from the phrases of the intermediate language to the phrases of the current language; obtaining, for a target phrase of current language, a first set of aligned phrases of the intermediate language that are aligned with the target phrase of the current language based on the first phrase-alignment relationship; obtaining a second set of aligned phrases of the current language that are aligned with selected phrase(s) in the first set of aligned phrases based on the second phrase-alignment relationship; and obtaining synonymous phrases for the target phrase from the second set of aligned phrases.