hydrophones 

  1. 名詞
hydrophone複數: 水聽器, 水中聽音器
水診器
水管測漏器, 漏水檢查器
水中地震檢波器

    
                        
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例句

                

                    
    
                                                    
  1. 
                                For communication, the suit used hydrophones .                            
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  2. 
                                At roughly offshore, the hydrophones detected a ship.                            
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  3. 
                                Most hydrophones are made from a piezo-electric crystal.                            
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  4. 
                                Microphones that are used under water are called hydrophones .                            
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  5. 
                                All boats are equipped with hydrophones to hear the whales vocalize.                            
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