求翻译：电影片名的选择有一定的社会文化背景因素，通过片名可以挖掘其中蕴含的民族性、时代性和地方性特征。因为片名的取材和命名都与社会大背景密切相关，所以研究片名有必要按时期去分析。是什么意思？

The choice of film titles have a certain social and cultural background factors, which contains the national character, time and local features can be tapped by title. Material and naming of the title are closely related with the social background of the necessary period to analyze the study title.

The film has a certain amount of social and cultural background, who can dig through, which contain the ethnic, age, and local characteristics. Because of the name is derived from and named closely linked with the social context of the larger study, so it is necessary to analyze the period.

The movie film title choice has certain society cultural context factor, may excavate implication through the film title the national characteristic, the contemporaneity and the local characteristic.Because film title selection and naming all with social big background close correlation, therefore t

Choice of movie titles have certain socio-cultural background, by mining which names can contain the nationality, age and local characteristics. Because of sampling and naming are closely linked to social background, so research it is necessary to analyze.

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