机械故障率 meaning in English

failure rate of machinery

1 , cut over a head : bring up to combine the applied technique most and early for the toshiba , and is also current usage to is the most extensive . he adopts a laser head , and prepare the different slice of 2 focal distances the sony for cut over , passing the conversion differently focusing the coming respectively reading dvd with cd , its shape looking with double head to resemble respectively , because can see two sets focuse the , laser head to interiorly can t see . he reads the signal quantity is higher , but because of want the conversioning to focuse the , therefore the cost belong to the inside and so forth of level , and recognize the dish speed slow , same the implicit mechanical trouble rate is high
1切换双镜头：为toshiba最早提出并应用的技术，也是目前使用最广泛的。他采用一个激光头，分别准备2个焦距不同的镜片切换，通过转换不同的聚焦镜来分别读取dvd和cd ，它的外形看起来与双头的sony相似，因为只能看到二组聚焦镜，激光头在内部看不见。他读取信号质量较高，但由于要转换聚焦镜，所以成本属于中等水平，认盘速度较慢，同样隐含的机械故障率比较高。