hidden track是什么意思？

hidden track

英[?h?dn tr?k]美[?h?dn: tr?k]

n.

隐藏曲目

网络

寻找周杰伦; 认识你; 隐藏轨

Multi-passive-sensor system draw much attention because of its hidden character, but the track fusion algorithm against its unique property is lack.

多被动传感器系统以其隐蔽特性得到重视，然而缺乏针对其独有特性的航迹融合方法。