研究了PLZT铁电陶瓷的电疲劳特性.用英语怎么说？

研究了PLZT铁电陶瓷的电疲劳特性.

The electric fatigue performances of PLZT ferroelectric ceramics were studied.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

electric

adj. 电的，带电的，发电的，导电的，令人激动的，电动的；n. 电动车辆，带电体；

例句
A household radiator absorbs energy in the form of electric current and releases it in the form of heat.
家用取暖器吸收电流能量，再以热量的形式释放出来。

fatigue

n. 疲劳，疲乏，劳务杂役，（士兵穿的）工作服；vt. 使疲劳，使疲乏；vi. 疲劳；

例句
Clarke says his team could have lasted another 15 days before fatigue would have begun to take a toll.
克拉克说，他的团队本来还可以再坚持 15 天，只是疲劳可能会造成严重后果，只好作罢。

performances

n. 履行( performance的名词复数 )，性能，表现，演出；

例句
Following the performances there were chummy gatherings in the drawing room.
表演过后会在客厅举行气氛融洽的聚会。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

ferroelectric

n. 铁电物质；adj. 铁电的；

例句
Development of the ferroelectric ceramics in recent years has led to superior detection ability.
近代所发明的铁电陶瓷具有优良的检测能力.

ceramics

n. 制陶术，陶器制造，陶瓷工艺，陶瓷制品( ceramic的名词复数 )，陶瓷器，制陶艺术，陶瓷装潢艺术；

例句
The popular ceramics industry expanded towards the middle of the 19th century...
到19世纪中期，大众制陶业得到了发展。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

studied

adj. 有计划的，故意的，深思熟虑的，精通的；v. 学习，研究( study的过去式和过去分词 )，想出，详细地检查，背诵（台词等）；

例句
At college he studied English and did amateur boxing.
大学时，他学习英语，同时还参加业余拳击。