instrument of measuring the thickness of sea ice  雷达冰厚测量记录仪

Kinds of sea ice  海冰类型

measurement of sea ice thickness  海冰厚度

microstructure of sea ice material  海冰的微结构

Remote sensing of sea ice  海冰卫星遥感

satellite remote sensing of sea ice  海冰遥感

shipping of sea ice  冰区航行

sea-sea ice-air interaction  海-冰-气相互作用

Abrupt changes  突变; 突变事件; 阶跃转变

abrupt changes in the cross-sectional area of a tu  隧道截面突变; 收桨

abrupt changes in the cross-sectional area of a tunnel  隧道截面突变

abrupt of Moho  莫霍面陡度

Analysis of abrupt change  突变分析

analysis of abrupt changing signal  突变信号分析

point of abrupt change  突变点

the development type of abrupt change  突变式飞跃

theory of abrupt variation  突变理论

abnomal changes of ultrasound  超声异常

addition or subtraction of changes  加减化裁