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- automatic block section of double- tracked railway 双线自动闭塞
- Signalling layout is the key to design of automatic block sections, and has a direct effect on railway operation efficiency and safety. 摘要信号机布局是区间自动闭塞设计的重要任务，它直接影响铁路行车安全和运行效率。
- Modification of Joiht Circuit within Automatic Block Section 区间自动闭塞站内结合电路的修改
- Optimization of Signalling Layout in Automatic Block Sections with the Genetic Algorithm 基于遗传算法的区间自动闭塞信号机布局优化方法
- The foundation of automatic block and cab signal is track ciruit. 自动闭塞和机车信号的基础是轨道电路。
- Automatic Block and Footing keys for material estimates. 自动闭塞和落脚点钥匙材料估计。
- Automatic block interval time variation of Nanjing-Chuxian Section on Jin-Pu Railway Line designed by our institute won the excellent design prize of the First National Excellent Designs. 我院设计的津浦线南京至滁县段自动闭塞变更间隔时分工程项目荣获第一届国家优秀设计奖。
- Automatic block signals and other menas of communication enable railroads to operate safely. 自动停车信号及其它通信方式使铁路得以安全运行。
- Signal demodulation of automatic block with audio frequency shift modulated track circuits was implemented with phase-locked loop( PLL) technique and a singe chip microcomputer. 利用锁相环(LL)窄带跟踪特性;与单片机结合;实现自动闭塞系统移频信号解调.
- By comparing the two formulas, the paper concludes that moving automatic block can reduce the train headway and improve the transportation capacity. 通过对两公式的比对，得出了移动自动闭塞系统能够缩短列车的运行间隔，提高线路的通行能力。
- On this basis, computation formulas of train headway under fixed automatic block and moving automatic block are deduced in the paper. 在此基础上推导固定自动闭塞和移动自动闭塞系统下列车间隔的计算公式。
- Installation of automatic block valves with limit switches on each stream entering or leaving the compressor sections is foreseen. 应预先在压缩机的入口和出口物流管线上安装带有限位开关的自动切断阀。
- It was based on ZPW-2000A Jointless Track Circuit Frequency-shift Automatic Block System,which was widely used in our country’s railway sections. 基于我国铁路区间广泛使用的ZPW-2000A无绝缘移频自动闭塞制式,利用计算机仿真技术对区间的部分设备及功能进行了模拟。
- A bruit can be heard with a stethoscope and may be a warning of a narrow or blocked section of an artery. 这种异常的血流声能够通过听诊器诊断出来，代表着患者可能存在某些动脉内腔狭窄甚至阻塞。
- With the establishment of CTCS technique criterion,traditional idea and method of automatic block system design are impacted. CTCS技术规范的制定,对自动闭塞设计的传统理念和方法产生了冲击。
- Method Bore the blocked section with driller made of stainless steel and implant line to prop up the duct and drain the tears. 方法 :用不锈钢管自制鼻泪管钻通器 ,术中钻通阻塞的鼻泪管后 ,再用一次性输液皮条植入鼻泪管内以支撑管腔和引流泪液。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Ice dam flood: a lot of fluid ices dive, press and accumulate, causing heading up of water level of upper reach of blocking section. 冰坝洪水，大量的流冰下潜、挤压与堆积，使阻塞断面上游水位显著壅高的现象。
- A train operation simulation system (MAS-SIM) is developed for the purpose of studying various issues concerning traffic organization under Moving Automatic Block condition. 针对移动自动闭塞系统的特点，研究开发了列车运行仿真系统（MAS-SIM），用于移动自动闭塞条件下的行车组织若干问题的研究。
- The paper analyzed spectrum characteristic of Automatic Block signal, proposed a arithmetic of computing ZPW2000A FSK-signal and realized frequency demodulation. 分析了自动闭塞信号的频谱特性，提出了ZPW2000A移频信号的还原算法，实现了对该移频信号的解频。
