2) high frequency electromagnetic
高频电磁法
3) low-high frequency ventilation
高低频混合通气
4) VLF-EM
甚低频电磁法
1.
APPLICATION OF VLF-EM IN FORECASTING OF ORE EXPLORATION;
甚低频电磁法在矿体勘查中的应用
2.
In order to forecast the location of the buried ore-bodies in grasslands,the authors use the geophysical exploration methods of VLF-EM and EH4 conductivity image system.
草原区一般第四纪覆盖严重,为在草原浅层覆盖区有效地寻找、定位隐伏矿体,利用甚低频电磁法和EH4电磁成像系统开展了地球物理勘查工作。
3.
The very low frequency electromagnetic method(VLF-EM) has such advantages as portable instrument,simple method,economical and high efficiency.
甚低频电磁法(VLF-EM),具有仪器轻便、方法简单、经济高效等优点。
5) VLF-EM method
甚低频电磁法
1.
Application of VLF-EM method in mineral exploration of Longtoushan Ag-Pb-Zn deposit;
甚低频电磁法在龙头山多金属矿床勘查中应用
2.
Application of VLF-EM method in the mineral exploration of Longtoushan Ag-Pb-Zn Deposit,Alukerqinqi,Inner Mongolia;
甚低频电磁法龙头山银铅锌矿床勘查中的应用
3.
The advantages of VLF-EM method are portable,simple,economic and efficient.
甚低频电磁法(VLF-EM)作为一种浅层物探技术,具有仪器轻便、方法简单、经济高效等优点,已经得到了国内外矿产勘查实践的检验,且勘查效果明显。
6) very low frequency electromagnetic methods (VLF_EM)
甚低频电磁法(VLF_EM)
补充资料：高低
①高低的程度：朗诵时，声音的～要掌握好丨 因为离得远，估不出山崖的～。②高下：两个人的技术水平差不多，很难分出～。③深浅轻重（指说话或做事）：不知～。④无论如何：嘴都说破了，老王～不答应。⑤〈方〉到底；终究：这本书找了好几天，～找到了。
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