晶体检波器

例句：

1. 1. Thecrystal tester detected the presence of asmall amount of water in the sample.
   晶体检测器在样本中检测到了少量的水。
2. 2. The crystal tester was used toanalyze the chemical composition of the mineral.
   晶体检测器被用来分析矿物的化学成分。
3. 3.The crystal tester helped us identify thetype of crystal that was present in thesample.
   晶体检测器帮助我们确定了样品中存在的晶体类型。