3.规格 ------------------------------------------------------------------------------------------------------------------ 3 3.1.性能 --------------------------------------------------------------------------------------------------------------------- 3 3.2.环境条件 ------------------------------------------------------------------------------------------------------ 4 3.2.1.温度和湿度 -------------------------------------------------------------------------------------------------- 4 3.2.2.灰尘和污垢 ------------------------------------------------------------------------------------------------------------------ 4 3.2.3.振动 -------------------------------------------------------------------------------------------------------------------------------- 5 3.2.4.大气压力和海拔 ---------------------------------------------------------------------------------- 5 3.2.5.冲击 ---------------------------------------------------------------------------------------------------------------------- 5 3.3.安装条件 ----------------------------------------------------------------------------------------------------------- 6 3.4.尺寸和质量 ----------------------------------------------------------------------------------------------------------- 6 3.5.可靠性 ---------------------------------------------------------------------------------------------------------------- 9 3.5.1.错误率 -------------------------------------------------------------------------------------------------------------------- 9 3.5.2.MTBF ------------------------------------------------------------------------------------------------------------------ 9 3.5.3.MTTR ------------------------------------------------------------------------------------------------------------------ 9 3.5.4.驱动器寿命 --------------------------------------------------------------------------------------------------------------------- 9