Remember from the section on opening and closing that we need two parameters ( file path name and access mode to the device) to open a device on Linux. 从有关设备打开和关闭的讲解可知,我们需要两个参数(文件路径名和设备访问模式)来打开Linux设备。
Opening and closing a device in Linux Linux的设备打开和关闭
Meanwhile, compared with the prior art, the opening and closing device has simple structure, flexible and reliable operation and low cost and is helpful for being widely applied. 同时与现有技术相比该装置结构简单、操作灵活可靠,开闭器成本低利于广泛应用。
The valve is used on the pipeline as an opening and closing device for granular and erosion media. 本阀适用于颗粒状冲蚀性介质的管路上作启闭装置。
The utility model relates to an automatic closing type urinal, which is mainly composed of a housing, a urinal cover, a feces pushing device, and a cover lifting device. 一种自动封闭式便池,主要由外壳、池盖推便装置和掀盖装置所组成。
Make sure a diskette is inserted into the drive and the door is closed. The door, which was fitted with a Yale automatic closing device, closed slowly and lightly behind him; 查明软盘是否已插入驱动器,驱动器门是否被关闭。装着耶耳厂自动关闭机的那扇门就轻轻地自己关上;
Discussion about choice of the methods of closing circuit line in the 110 kV automatic back-up power supply device 浅谈110kV备自投合闸回路的接线方式选择
The utility model discloses an automatic closing warning venous dripping injecting device and is an instrument for the conventional therapy of a patient. 一种自动关闭报警的静脉滴注装置,是病人常规治疗的一种器械。
The utility model relates to a slide block-connecting rod type door cover opening and closing device, which is suitable for being used in the fields of vessels, vehicles, hydraulic engineering, etc. 本实用新型涉及一种适于在船舰、车辆、水利工程等领域使用并采用动力缸驱动的滑块-连杆式门盖启闭装置。
Design of a New Type of Cylinder of Simultaneous Closing Device of a Hot Press 热压机同时闭合装置的新型油缸设计装卸机械计箱装卸费
Circuit Breaker Closing Operation in High Voltage Monitoring and Control Device 高压测控装置的断路器合闸操作
The paper analyzes the fault of the closing circuit of the JCC-11D protecting and controlling device which is produced by some Nanjing factory, and offers an improving method. The result shows that the reliability of the switching closing circuit is improved. 分析了南京某厂生产的JCC11D型保护、控制装置的一起合闸回路的故障,提出了改进方法,实践表明:该方法提高了分合闸回路的可靠性。
In renovation of network relay protection automatic closing device, computer-based protection is widely used, which resolved the problems with electromagnetic relay protection. 在目前电网继电保护自投装置的改造中,微机保护得到了广泛的应用,它解决了电磁型保护存在的一些问题。
A thorough discussion on the design requirement of the circuit breakers 'spring operating mechanism, the design process of the openning or closing switch mechanism, the tripping mechanism, energy storage mechanism and simulant test device is made. 对断路器弹簧操动机构的设计要求,以及分、合闸弹簧机构、弹簧操动机构的空载特性、脱扣机构、储能机构以及弹簧操动机构模拟试验装置的设计过程进行了全面论述。
Research on DSP-based synchronous closing device for var compensation capacitors 基于DSP无功补偿电容器组同步投切装置的研究
The Automatic Door Closing Device on Passenger Car Automatic turning the ball of oil sprayer 客车自动关门机喷油器球头的自动上、下料机构
The closing time is stored into the EEROM of the device as the reference to adjust the ahead-time of the next paralleling operation adaptively. 每次将在线测得的合闸时间存入EEROM,作为下次确定越前时间的参考。
The Automatic Door Closing Device on Passenger Car A Robot Automatic Feeding System 客车自动关门机机械手自动给料系统
In the designing of the simultaneous closing device of hot press model BY, the design methods and structure options of hydraulic cylinder compensator were discussed, and the value of compensation was calculated. 本文结合BY型压机同时闭合装置的设计,论述了油缸补偿器的设计方法和结构方案,进行了同时闭合时的补偿量的计算。
Design of the Simultaneous Closing Device of Multi-Hot Press 多层热压机同时闭合装置的设计
The Automatic Door Closing Device on Passenger Car 客车自动关门机
The design principle of the simultaneous closing device of the mould hot press 模压热压机同时闭合机构的设计原理
Development of Cobbra Opening and Closing Device for High Speed EMUs 高速动车组车头盖开闭装置的开发
Studies on the Dynamic Response Characteristics of the Inertial Closing Device for a Missile Fuze 导弹引信惯性闭合器动态响应特性研究
Test System of Opening or Closing Simultaneity of High Voltage Switching Device 高压开关分合闸同期性测试系统
Cause Analysis on the Falsely Closing Circuit Breaker Disturbed Synchronization Device's Line-selector 同期装置选线器受干扰造成断路器误合原因分析
The result proves that it is possible to make full use of hydraulic accumulator of rapid simultaneous closing and to reduce the overall dimensions of the device. 同时,论证了充分利用压机大型快速闭合蓄能器和缩小装置外廓尺寸的可能性。