目前缺少对个体癌症类型的科学定量与定性研究。
There exists a lack of knowledge regarding the quantity and quality of scientific yield in relation to individual cancer types.
为了进一步研究这种类型的时间系列，有必要提取确定性和随机成分。
In order to study further this type of time series, it is necessary to extract deterministic and stochastic components.
研究了综合曲线的形态、衰减系数大小，平面位置与地质异常体的类型定性关系。
Comprehensive curve pattern, attenuation coefficient and the relationship of plane position and geological abnormity had been conducted.
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