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您的检索式：作者名="CHU Kaifeng"
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| 1 | P-twisted affine Lie algebra and its realizations by twisted vertex operators显示文摘In this paper, we define a P-twisted affine Lie algebra, and construct its realizations by twisted vertex operators. | LU Keping, CHU Yanjun, ZHENG Zhujun & DONG Wenfeng Institute of Mathematics, Henan University, Kaifeng 475001, China USTC Shanghai Institute for Advanced Studies, University of Science and Technology of China, Shanghai 201315, China | 2005 | Science China Mathematics2005，48，z1： | 5 |
| 2 | Current Situation Assessment of Urban Agriculture in Urban Planning in China显示文摘Urban agriculture (UA) is a spontaneous response to the increasing demand for food with the inevitable population expansion in urban areas. As a critical part of FAO’s Special Programme for Food Security (SPFS), UA has increasingly been considered as a significant contributor to food and nutrition security of urban residents all over the world. Thus, the central aim of this essay is to develop a better understanding of the current situation of UA in urban planning of China, and 6 categories of UA in China will be discussed, including Leisure Agriculture, Modern Agricultural Science and Technology Park, Community Supported Agriculture (CSA), Institutional garden and Edible landscape. And finally the paper tries to raise the awareness and drive innovation of UA in both theory and practice. | XU Yajie BAI Xue CHU Kaifeng | 2019 | Journal of Landscape Research2019，11，3： | 1 |
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