虽然他们的工作看似简单，但是他们为维护首都的交通秩序做出了很大的贡献。在绿灯亮的90秒内，有交通协管员的时候，40辆车可以通过十字路口，没有交通协管员的时候只能通过15辆。
"During the green light, which lasts about 90 seconds, about 40 vehicles can pass the crossroad with an assistant keeping the order, " says Zhou Zhentong, leader of Zhongguancun traffic police team.
文章以历史比较研究的方法，从谱式、谱字、南琶指法、管门四方面进行分析，旨在探索《文焕堂指谱》的历史价值。
With historical comparative study, the article analyses its score formula, score character, finger model of Southern Pipa and pipe tune as four aspects to probe historical value of Wen Huan Tang Fing.
热扩钢管采纳的二步促进式扩管机集锥模扩径技能，数目字中频感应加热技能，液压技能于一机。
Thermal expansion Pipe adopted by two-step pipe mill set for expansion cone-type mold Expanding skills numerals medium-frequency induction heating skills skills in a hydraulic machine.
十字隆凸通常位于上、后半规管壶腹嵴的中部，与壶腹嵴的长轴垂直。
Usually being located at the middle of the cristae of vertical semicircular canals, the eminentia cruciata protrudes perpendicularly to the long axis of the crista.
本文提出了一种三束一字型具有线形荧光粉条的新型无荫罩彩色显像管。
This paper presents a new no shadow-mask colour picture tube with three-in-line electron gun and linear phosphor strips.
就效果而言，电感也可比作在管字里流动的水的惯性。
In its effect, inductance may be also compared to the inertia of water flowing in a pipe.
就效果而言，电感也可比作在管字里流动的水的惯性。
In its effect, inductance may be also compared to the inertia of water flowing in a pipe.
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