并列题名：Corss-cultural research and application of politeness language Corss-cultural research and application of politeness language 并列题名：Clinical research and application of stem cells 并列题名：Programming and application of the C language 并列题名：Marketing research and application of statistical analysis 并列题名：Arbuscular mycorrhizal research and application of horticultural plants 并列题名：Research and application of color design 并列题名：Research and application of insect ecology 并列题名：Research and application of commercial mortar 并列题名：Research and application of modern geoanalysis