主要有两类因素： 物质因素(physical causes) 功能因素(functional causes) P299 11-3 折 旧 11-3-2 计算折旧之因素 成本(cost) 估计残值(residual value or scrap value) 估计耐用年限(service life) P29...
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structural and functional causes 体制机制性原因
Although this causes no functional problems on the system, it slows down the cleanup procedure.
尽管这不会导致功能性问题，但是会减慢清理过程。
All of these cartilages are bound together by a continuous perichondrium, which gives stability to the cartilages and causes them to act as a single structural and functional unit.
所有这些软骨均由连续的软骨膜连接到一起，它提供了软骨的稳定性，也是它们能作为一个单一的结构和功能单位的原因。
Methods The causes of recurrence, operations, anatomical reposition and visual functional recovery were analyzed in 32 silicone oil-filled eyes.
方法对32例(32眼)硅油填充眼复发性视网膜脱离的原因、手术方式、解剖复位和视功能恢复结果进行分析。
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