hand sonar 中文意思是什麼
hand sonar
解釋
便攜式聲吶-
Sonar is the next step. a lot depends on technological developments to make sonar smaller hand - held sonar is now about the size of a lunch box
發展聲納設備依賴于技術的發展,現在能將手持的聲納儀做得更小,約為一個飯盒大小。
分享友人