自然基准
- 网络natural standard; natural background level; natural self-sealing reference
自然基准自然基准
natural standard
standard... ... 18. monometallic standard 单本位制 19. natural standard 自然基准 20. standard atmosphere 标准大气 ...
natural background level
气象学专业英... ... 本地植物 native vegetation 自然基准 natural background level 自然边界条件 natural boundary condition ...
natural self-sealing reference
自然基法,nature base... ... ) natural self-sealing reference 自然基准 ) nature culture 自然基质 ...
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