The weathering rates of soils in China were estimated through the mass balance approach, simulated leaching experiments, PROFILE model, MAGIC model, and two empirical methods.
利用模拟淋溶实验、质量平衡法、PROFILE模型、MAGIC模型以及两种经验方法对中国十几种主要土壤类型的风化速率进行了研究。
Based on the figure of merit to objectively evaluate the performance of star acquisition approach, a number of experiments are carried out for the simulated star images.
基于所定义的性能评价指标，对模拟星图进行了星图获取的实验验证。
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