5. A text conversion system for converting a paragraph in a source language into a target language, wherein the paragraph comprises a plurality of source language terms, the text conversion system comprising: a storage unit, for storing a term mapping table, wherein the term mapping table records a term mapping relationship between the source language and the target language; a classification unit, coupled to the storage unit, for performing a tokenization process on the paragraph to obtain a plurality of tokenization results and comparing the tokenization results with the term mapping table to determine that each of the source language terms is belonging to a first type or a second type, wherein each of the source language terms belonging to the first type is corresponding to a single target language term, and each of the source language terms belonging to the second type is corresponding to a plurality of candidate target language terms; a conversion unit, coupled to the storage unit and the classification unit, for converting the source language terms belonging to the first type into the corresponding target language terms according to the term mapping relationship recorded in the term mapping table, and regarding each of the source language terms belonging to the second type, calculating a co-occurrence relevance of a plurality of relevant terms corresponding to each of the candidate target language terms by using a language model, selecting a plurality of candidate language terms corresponding to higher ones of the co-occurrence relevance among the candidate target language terms, respectively translating each word in each of the selected candidate target language terms into a corresponding reference language word by using a dictionary supporting the target language and a reference language, and determining a relevance between the corresponding reference language words in each of the selected candidate target language terms according to the dictionary and the corresponding reference language words by the processor, so as to select the candidate target language term having the highest relevance between the corresponding reference language words as the target language term, and converting the source language term into the target language term in the paragraph, wherein each of the relevant terms is constituted by one of the candidate target language terms and at least one word before and after the candidate target language term in the paragraph, and wherein each co-occurrence relevance corresponding to one of the selected candidate target language terms is higher than a first threshold; and an output unit, coupled to the conversion unit, for outputting the paragraph in the target language.
5. A text conversion system for converting a paragraph in a source language into a target language, wherein the paragraph comprises a plurality of source language terms, the text conversion system comprising: a storage unit, for storing a term mapping table, wherein the term mapping table records a term mapping relationship between the source language and the target language; a classification unit, coupled to the storage unit, for performing a tokenization process on the paragraph to obtain a plurality of tokenization results and comparing the tokenization results with the term mapping table to determine that each of the source language terms is belonging to a first type or a second type, wherein each of the source language terms belonging to the first type is corresponding to a single target language term, and each of the source language terms belonging to the second type is corresponding to a plurality of candidate target language terms; a conversion unit, coupled to the storage unit and the classification unit, for converting the source language terms belonging to the first type into the corresponding target language terms according to the term mapping relationship recorded in the term mapping table, and regarding each of the source language terms belonging to the second type, calculating a co-occurrence relevance of a plurality of relevant terms corresponding to each of the candidate target language terms by using a language model, selecting a plurality of candidate language terms corresponding to higher ones of the co-occurrence relevance among the candidate target language terms, respectively translating each word in each of the selected candidate target language terms into a corresponding reference language word by using a dictionary supporting the target language and a reference language, and determining a relevance between the corresponding reference language words in each of the selected candidate target language terms according to the dictionary and the corresponding reference language words by the processor, so as to select the candidate target language term having the highest relevance between the corresponding reference language words as the target language term, and converting the source language term into the target language term in the paragraph, wherein each of the relevant terms is constituted by one of the candidate target language terms and at least one word before and after the candidate target language term in the paragraph, and wherein each co-occurrence relevance corresponding to one of the selected candidate target language terms is higher than a first threshold; and an output unit, coupled to the conversion unit, for outputting the paragraph in the target language. 6. The text conversion system according to claim 5 further comprising: an input unit, coupled to the storage unit, for receiving the paragraph in the source language.