西西和嘻嘻
检查c:的文件系统 文件系统类型：NTFS 一个磁盘需要检查，你可以取消检查，但是推荐你继续 一般是错误的关机，Windows就会在开机时检查磁盘以便修复可能的磁盘错误（文件系统结构错误，不能修复物理错误） 这个问题不好解决,还是让它检查完,否则每次开机都有.可以在进入Windows桌面后打开"我的电脑",在C:图标上点右键,选"属性",转到"工具"选项卡,点"开始检查",也可以进行检查.
美丽苗条龙龙
正转反转的英文是Forward rotation and reverse rotation。
例句：
1、以四相步进电机为例，介绍了由MC1413驱动的电路原理图，给出了四相步进电机的正转反转的程序设计流程图和程序清单。
Taking a four-phase step-by-step motor as example, this article introduces the electrical circuit schematic diagram driven by MC 1413.It also presents the motor's clockwise and counter-clockwise programming flow chart and detailed list.
2、采用PLC的高速计数器进行测量轮正转和反转时的脉冲信号的采集，通过进一步程序运算得到绝对位移量。
The pluses comes from coder to send to the high speed counter, and the number of the high speed counter is operated in the program of PLC to get the absolute displacement anticipated.
3、ZPB遥控按钮盒供远距离控制各种电器设备的启动、正转、反转、紧急停止及风油切断等用处，并通过指示显示工作状态。
ZPB Remote Button Box use of far distance control start, stop, emergency stop and shut off fans& oil pumps of various kinds of electrical equipment and display working state by indicator.
4、洗涤和漂洗都是通过控制电机的正转和反转来达到清洗衣物的主要目的。
Cleaning and flushing the motor through the control of forward and reverse, to reach the main purpose of washing clothes.
5、采用有限元法解雷诺方程，研究了双向人字槽液体润滑止推轴承的承载力、轴向刚度系数和阻尼系数，并与相同参数下正转、反转的单向人字槽止推轴承进行比较。
Finite element method is employed to solve Reynolds equation and investigate dynamical performance of two way herringbone grooved liquid lubricated thrust bearing ( HGTB).
优质英语培训问答知识库
