They have used more specialised stem cells-ones that spin off only cardiac cells-to repair the hearts of people with heart failure.
他们使用更为特殊的干细胞(仅分化为心脏细胞的干细胞)来修复心衰病人的心脏。
Most plants are equipped with monorail hoist over major equipment to facilitate speedy repair in the event of failure.
大多数工厂在主要设备的上方装有单轨起重机，以便当设备损坏时迅速修理。
With them the process of units work, failure, repair and renovation is described, sequentially the dynamic failure and availability of the units can be computed under the influence of the repair time.
构造了元件故障向量、维修向量、故障频率序列和修复序列，并利用其运算描述了元件的工作、故障、维修和修复过程，从而计算出在事后维修方式和维修时间分布影响下的元件动态可靠性指标：故障频率，有效度。
应用推荐