acoustic logging tool的用法和样例：
- The characteristics of the piezoquartz transducers are important factors to improve performance of the acoustic logging tool.
- Therefore, challenges facing acoustic CBL and the evaluation method are proposed, as well as suggestions on development and applications of Chinese acoustic logging tool.
- The transducers in acoustic logging tool are usually cylindrical piezoelectrical transducers and their acoustic radiation and acceptance have preferred directivity.
- Keywords acoustic logging tool;cross dipole;anisotropy;electronics;sonde;
- Keywords acoustic logging tool;piezoquartz;transducer;admittance chart;equivalent circuit;