poor function meaning in English

功能不良

Diabetes is a chronic disease due to poor functioning of the pancreas
糖尿病是一种慢性病，由于胰腺功能不良引起。
With this high end mri scanner , doctors can now detect the presence of myocardial infarction , observe the myocardial contraction and areas of poor function and measure the physiological function of the heart
利用这台先进的mri可检查出心脏有否坏死，同时亦可观察心脏肌肉的运动，及心脏的功能。
Such as apc ( advanced process control ) software , there are several limitations in existing apc software products as follows : ( 1 ) poor function and low integration ; ( 2 ) appropriative driver with poor openability ; ( 3 ) inflexible structure with poor adaptability ; ( 4 ) low reusability and poor stability
以先进控制软件为例，现有的先进控制软件产品主要存在如下一些局限： 1功能单一，集成度低； 2接口专用，开放性差； 3
But the traditional brick - stone residential structure system now could not fulfill the requirements of the market and the costumers and the theme of " sustainable development " , because of its high investment , high expense , heavy pollution , low productivity , poor function and low quality
而我国传统的砖石住宅结构体系采用的是高投入、高消耗、高污染的落后增长方式与低工效、低功能、低质量的生产局面，已不能满足市场、消费者的要求和建筑"可持续发展"的时代主题。