calibration sample

例句：

1. 1.The engineer used the calibration sample to test the accuracy of his equipment.
   工程师使用校准样本来测试设备的准确性。
2. 2.During the manufacturing process, the calibration sample is used to ensure consistency in the final product.
   在制造过程中，校准样本被用来确保最终产品的质量一致性。
3. 3.The company sent a calibration sample to its clients for quality control purposes.
   该公司向其客户发送了校准样本，用于质量控制目的。