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second harmonic
 second harmonic
oil 第二谐波
oil од. 二次谐波
 second harmonics
railw. 二次谐波
| tracking
 tracking
isol. 电痕化; 起痕
met. 喂料; 进料; 穿料
rem.sens. 定位; 位置; 描绘
space 电视跟踪; 统调

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second-harmonic

gen. 第二谐波; 二次谐波
second harmonic
oil 第二谐波; 二次谐波
second harmonics
railw. 二次谐波
second harmonic
: 43 phrases in 14 subjects
Air defense1
Aviation1
Chemistry3
Earth sciences1
Electric machinery1
Electronics17
General1
Geophysics1
Hydroelectric power stations2
Information technology1
Materials science1
Polymers2
Sealing4
Technology7

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