宏观“减负”和微观“减负”着力点不同，主要实施者不同，实施的难易程度不同，但二者往往紧密结合，一起对“减负”起作用。
In order to better carry out lessening burden policy we have to implement macro and micro lessening burden which are different but always closely combine and play a part together.
而二者分泌柠檬酸的速率虽然均有显著提高，但处理后感抗品种之间差异不大，表明柠檬酸在缓解铝毒性中的作用不大。
The rate of citrate exuded in the two soybean cultivars both increased in response to Al toxicity stress but no significant difference between them was observed.
发生变质作用的地方，压力和温度要高于成岩作用。但二者间并未建立起清晰的界线。
The pressures and temperatures at which metamorphism occurs are higher than those of diagenesis, but no clear boundary between the two has been established.
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