So spectrum conversion film remarkably increased yield and improved quality of Chinese cabbage.
转光膜处理的春大白菜生长势显著增强，产量提高，品质改善。
A method for deriving the smoothed ground surface from CMP datum of static correction is given to form a common datum for velocity spectrum, time-depth conversion and depth migration in depth domain.
本文还给出了根据（静校正的）CMP基准面计算地表圆滑面的方法，统一了深度域中速度谱、时深转换和深度偏移的基准面。
Finally, a methodology converting response spectrum of design earthquake to seismic intensity is also discussed; and a conversion scheme is recommended.
最后还讨论了把设计地震反应谱转换成地震烈度的方法，给出了建议的转换方案。
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