Study of Jacques Perrin's nature documentaries from the perspective of ecological aesthetics 并列题名：Study of Jacques Perrin's nature documentaries from the perspective of ecological aesthetics Study of calvino's crystal novels from the perspective of cultural semiotics Study of the creation in modern advertisement from the perspective of aesthetics Study on Japanese compound verbs from the perspective of cognitive semantics Research on the rule of law of natural resources from the perspective of ecological civilization Study on the development mechanism of urban agglomeration from the perspective of ecological economy Research on the trend of settlements from the perspective of ecological civilization a study of leisure from the perspective of aesthetics a study of literary translation from the perspective of applied poetics