As they are bounded by the complex designs, high-costs, long development cycles and difficulties of implementing the software, their designs and operations are not much flexible.
英
美
- 这类仪器硬件电路设计复杂,硬件成本高,设计周期长,而且仪器的功能和性能受到硬件的约束,如探伤仪难以直接判断缺陷的性质,升级需要从硬件着手等。