这次测量的误差控制在千分之一以内,因此结果相当可靠。Zhè cì cèliáng de wùchā kòngzhì zài qiānfēnzhīyī yǐnèi, yīncǐ jiéguǒ xiāngdāng kěkào.The error in this measurement was kept within one thousandth, so the result is quite reliable.
天气预报有时也有误差,仅供参考。Tiānqì yùbào yǒushí yě yǒu wùchā, jǐn gōng cānkǎo.Weather forecasts also have errors sometimes; they are for reference only.
仪器用久了会老化,测出的数据误差增大。Yíqì yòng jiǔle huì lǎohuà, cè chū de shùjù wùchā zēngdà.Instruments age after long use, and the error in the measured data grows.