对宋代地方行政组织及其运作的时间和空间差异的研究。
Third, research the spatiotemporal difference of the local administrative organizations and its performance.
不同品种的愈伤组织在数量和质量上有些差异。
Callus of different cultivars were different in quality and quantity.
起效部位的位置和组织分布的相对差异性也可能很重要。
Location of the active site and relative differences in tissue distribution can also be important.
起效部位的位置和组织分布的相对差异性也可能很重要。
Location of the active site and relative differences in tissue distribution can also be important.
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