风成沙丘普遍存在角砾前积、拖曳褶皱和倒转褶皱等同沉积变形构造。
The synsedimentary deformation structures are common in eolian dunes, such as brecciated foresets, drag folds and overturned folds.
通过研究潜艇拖曳环天线的热噪声，分析了天线构造参数对热噪声性能的影响。
According to study the thermal noise generation of a towed loop antenna, the influence of the antenna's construction parameters on the thermal noise has been analyzed.
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