The major tree measurement factors include the original measurement factors and their derived factors.

树木主要调查因子是指树木的直接测量因子及其派生因子。

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The improved FIR filter is designed and used for filtering original signals, so the noise is restrained effectively and the measurement precision of the mass flowmeter is guaranteed.

设计了改进的FIR数字滤波器，实现了对原始输出信号的实时滤波处理，有效地抑制了噪声的干扰，为科氏质量流量计的高精度测量提供了保证。

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The original orientation of the core in the formation can be obtained by magnetic cleaning test, magnetic parameter measurement and data processing.

岩样经一定步骤的磁清洗、相应的磁性参数测量和数据处理，可恢复岩样在地下的原始方位。

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However, in order to understand the information, the receiver has to know what the original measurement was, along with some other instructions.

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