instrumental errors meaning in English

仪表误差

At present most methods employ digital computations and certain correction techniques that minimize instrumental errors .
目前大多数方法是采用电子计算机，同时配合一定的校正技术，以减少仪器误差。
Study on the instrumental error of the portable photosynthesis system
便携式光合作用测定系统仪器误差探析
Preliminary analysis on the treatment of instrumental errors in michelson interference experiments
浅析迈氏干涉实验中仪器误差的处理
The results show that instrumental error in open system is more than 8 % . the main error is owing to co2 analyzer and flowmeter . and instrumental error in closed system is more than 1 . 5 %
研究表明：开路系统最大仪器误差通常在8以上，主要误差源为co _ 2分析器和流量计；闭路系统最大仪器误差通常在1 . 5以上，误差源以co _ 2分析器误差为主。
To analyze the questions and errors occurred in measuring the leaf photosynthetic rate using gas exchange , instrumental error , observation error and biology error in the use of portable photosynthesis system were computed and analyzed
为了了解红外气体分析法测定单叶光合速率中常见问题及产生的误差，本研究对光合作用测定系统使用中的仪器误差、观测误差和生物误差进行较为全面的实验和分析。