Secondly, a two-point rate-distortion optimized joint base layer and enhancement layer mode decision algorithm is proposed for PFGS.
其次，提出了基于PFGS的两点率失真优化的联合基本层和增强层模式选择算法。
Grazing-induced retrogression had no obvious effect on the carbon content of community and energy PFGs, but it made the content of soil carbon decreased.
放牧退化对群落、各能值功能群碳含量影响不明显，但是却使得土壤碳含量降低。
Grazing-induced retrogression had no obvious effect on the carbon content of community and energy PFGs, but it made the content of soil carbon decreased.
放牧退化对群落、各能值功能群碳含量影响不明显，但是却使得土壤碳含量降低。
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