对于摄影两个都不是最佳选择，因JPG比无损耗png小得多，也只是最低程序损失一点画质。
Neither are optimal options for photography, as JPG is much smaller than lossless PNG with only minimal loss of quality.
对现场的取样分析解释了显著的树冠损失的原因。排水不良地区的粉质粘土壤土和具有代表性的草原环境条件都在现场广为散播。
Forensic analysis of the site explained significant canopy loss. Poorly drained areas with silty clay loam soils - conditions more representative of prairie environments - were widespread on the site.
建立了符合土壤有机质分解机制的重量损失和碳损失的数学模型。
Mathematical models based on the mineralization mechanism were built for the mass loss and carbon loss.
应用推荐