On top of that, a transformer enables the discontinuity of grounds, which helps to keep RF and LF noise as low as possible.
在最重要的是，一个变压器使理由不连续，这有助于保持射频和LF尽可能低噪音。
The slag forming process and production of low sulfur pipeline steel X52 are described. In addition, further development and application of lf furnace functions are also discussed in the paper.
对低硫管线钢x 52的冶炼造渣工艺和实际生产情况进行阐述，讨论了进一步开发利用LF炉冶金功能问题。
The present paper gives an analysis of the low frequency (LF) vortex and divergent circulation systems and their interactions in terms of the ECMWF/WMO data (summer of 1984).
利用1984年夏季ECMWF/WMO资料分析了低频涡度系统和低频辐散环流系统，讨论了两者之间的相互作用。
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