水聲強軍：記中船715所ZJ-6型精密d33/d15/d31測量儀

    中國船舶重工集團公司第七一五研究所，又稱杭州應用聲學研究所，是專業從事聲學、光學、磁學探測設備研制的重點骨干研究所。
據2018年1月資料顯示，研究所有中國工程院院士1名，高中級專業技術人員700余人，是國務院學位委員會批準的博士、碩士學位授予單位，建有博士后流動站。

ZJ-6型精密壓電d33/d31/d15測量儀在715所應用廣泛，特別是在聲吶方面研究有重要的作用，壓電陶瓷材料就是投入在聲吶方面應用。

Underwater Acoustic Force: ZJ-6 Precision d33/d15/d31 Measuring Instrument of 715 Zhongchuan Ships

The 715 Research Institute of China Shipbuilding Heavy Industry Group, also known as Hangzhou Institute of Applied Acoustics, is a key military research institute specializing in the development of acoustic, optical and magnetic detection equipment.

According to the official website data in January 2018, the Institute has one academician of the Chinese Academy of Engineering and more than 700 senior and middle professional and technical personnel. It is a doctoral and master degree conferring unit approved by the Academic Degree Committee of the State Council and has a post-doctoral mobile station.

ZJ-6 Precision Piezoelectric d33/d31/d15 measuring instrument is widely used in 715, especially in sonar research. Piezoelectric ceramic materials are put into sonar application.