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Spectrometer with dual light beams takes significant role in molecular absorption spectrum measurement.
双光束分光光度计在分子吸收光谱测量中起着十分重要的作用。
Molecular sieve absorption system is adopted in the process flow to efficiently purify air and simplify fractionation system flow.
工艺流程中采用分子筛吸附系统，可有效净化原料空气，从而可以简化精馏系统的流程。
This elevation of molecular energy is known as "resonance and absorption".
这种分子能量海拔被称为“共振吸收”。
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