performance: n.1.执行，实行，履行；完成；实现；偿还。2.行为，动作，行动；工作。3.性能；特性。4.功绩；成绩。5.演奏；弹奏；演出；(驯兽等的)表演；把戏。6.【物理学】演绩。短语和例子a performance test 【机械工程】性能试验。 high performance 高度准确，性能优良。 an afternoon performance 午后的演出，日戏。 two
The full coverage include as following : 1 . the physical property of piezoelectric ceramic ; performance reference and empirical principle about transducer and array 介绍压电陶瓷的物理特性，介绍有关换能器和基阵的性能参数和试验原理。
