Study of both the material basis and logic basis that refers to some technology agreements, by which the material basis can oral run, is identical important for exploration of e-commerce legal issues.
电子商务法律问题的探索需要在把握电子商务物质基础的同时并重研究其逻辑基础，也就是使电子商务物质基础得以正常运行的技术协议。
SMV, SCN, insects, and physiological stresses e. g. drought, salt; to study technology of resistance characterization; to study genetics of germplasm with specific resistance, etc.
研究病源物小种、株系、生物型的分化及抗性的差异反应以及抗性的鉴定技术和方法等。
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