1) Low frequency group
低频群
2) low group
低群
5) Low-frequency
低频
1.
Brief Introduction on Improving the Secondary Circuit of Excitation Inversion to Prevent the Generator from Low-frequency Overexcitation;
浅谈改造励磁逆变二次回路防止发电机低频过励
2.
Study on Variable-angle Cutting Performance of Low-frequency Axial Vibration Drilling
低频轴向振动钻削的变角切削特性
3.
Analyzing the Low-frequency Characteristics of Laser Photoacoustic Signal in Steel
钢板激光光声信号低频特性分析
6) low frequency
低频
1.
Parameter selection and experiment research of the low frequency vibration plug removal machine;
低频水力振动器的参数确定与试验研究
2.
Intracrytalline element solubility and mechanical property of a new super-high strength and toughness Al alloy cast under low frequency electromagnetic field;
低频电磁铸造超高强高韧铝合金元素晶内固溶度和力学性能研究
3.
Super-high strength 7A60 Al alloy by low frequency electromagnetic cast(Ⅰ)——as-cast structures of billets with diameter of 0.2 m;
7A60超高强铝合金的低频电磁铸造(Ⅰ)——直径0.2m锭坯的铸态组织
补充资料：陪群公登箕山赋得群字
【诗文】：
许由去已远，冥莫见幽坟。世薄人不贵，兹山唯白云。
宁知三千岁，复有尧为君。时佐激颓俗，登箕挹清芬。
高节虽旦暮，邈与洪崖群。
【注释】：
【出处】：
全唐诗：卷882-9
许由去已远，冥莫见幽坟。世薄人不贵，兹山唯白云。
宁知三千岁，复有尧为君。时佐激颓俗，登箕挹清芬。
高节虽旦暮，邈与洪崖群。
【注释】：
【出处】：
全唐诗：卷882-9
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条