易出错的 meaning in English

error prone

Tracking states is tedious and error prone
跟踪状态是一件既繁琐又易出错的工作。
For example , much work , difficult charge , lower efficiency and mistake often arise . in order to reduce the waste of manpower and material resource in gas management and to reduce unsafe factors , this project does research on intelligent card and gas meter control device which is the further explored to the practical application of ic technology and is also a reform in management system of gas charge
与此同时，我国燃气收费管理长期以来都是以人工抄表为主，存在着工作量大、收费时间长、收费困难、效率低、易出错的问题，为了减少燃气收费管理中人力、物力的浪费，减少不安全因素，进行了“智能ic卡燃气表控制装置”的研究。