针对铁电材料测试系统中不同测试信号电压的差别，设计了电压自动衰减电路。
In view of the different voltage used in system for measuring ferroelectric materials, the automatic voltage-decaying circuit was designed.
利用配有电压自动衰减电路的铁电材料测试系统测量了PZT铁电体材料样品的电滞回线。
The PZT ferroelectric slice sample was measured by the system with the automatic voltage-decaying circuit, and hysteresis loops of the sample was exhibited.
在没有适度详细的(超出用户故事之外的)需求时交付系统，对测试，写培训材料以及产品支持来说都是无法接受的。
Delivering a system without moderately detailed requirements (beyond User Stories) is not acceptable for testing, writing training materials, and production support purposes.
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