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Chinese soil genetic classification
释义
Chinese soil genetic classification
Encyclopedia
农学
中国土壤发生分类
释
Chinese soil genetic classification
中国土壤发生分类
以苏联土壤地理发生学分类为基础,结合中国特有的自然条件和土壤特点,以生物气候条件为依据划分土类,而以“土壤发育程度”为依据划分土种的多级土壤分类体系。代表了20世纪80年代全国第二次土壤普查的科学水平,沿用至今。
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high-frequency discharge
high frequency disturbance processing
high frequency electrocardiogram
high frequency electrocardiogram, HFECG
high frequency electrode
high frequency electromagnetic oscillation
high-frequency electron tube
high frequency electrotherapy
high frequency exciting force
high frequency fatigue testing machine
high frequency flash photography
high frequency gamma
high frequency grain dryer
high frequency grain insects control in electric field
high-frequency heating
high-frequency heating supply
high-frequency induction stove
high frequency interaction circuit
high frequency noise filtering
high frequency opreation and electrocoagulation devices
high frequency picker
high frequency plasma source
high-frequency plugging
high frequency propagation
high-frequency radiation
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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更新时间:2025/7/5 19:44:21