The roads and urban rings expand from the inner core and form the physical structure of the area described as one center and four urban rings 每条街道和城市建筑从核心向外做环行延升，最终将形成一个核心四个城市环状的物理建筑风格。
Explorers in remote areas , ships at sea , even astronauts circling the earth axe able to keep in touch with civilization by means of radio 到遥远地区探险的人们，在海上航行的轮船，甚至绕地球环行的宇航员们，都能借助无线电与有人居住的地方保持联系。
Advanced ring buffer serial data dispatch technology is adopted to realize the programming of communication protocol with adopting the regular length multi - frame structure 采用先进的环行缓冲区串口数据收发技术，实现对采用固定长度的多帧结构通信协议的编程。
Formation lap : the lap before the start of the race when the cars are driven round from the grid to form up on the grid again for the start of the race 热身圈：比赛开始前的一圈，跑这一圈时，所有车辆要环行一圈，从起始排位跑回起始排位，然后列队等待比赛开始。
Dirt - track racing is simple : the bleachers 7 fill up with people , a girl sings the star - spangled banner , and the yahoos 8 go fast in circles and try to finish first 土路上赛车很简单：露天看台上挤满了人，一个姑娘唱起《星条旗之歌》 ，一群蛮汉在环行赛道上疾驰都想第一个完成比赛。
On the basis of the cycloid pin gear reducer , the paper develop a creative ~ miniature transmission device ? planetary pin - ring transmission which guarantee its inherent excellence 本论文以摆线针轮行星减速器为原始机型，在保证其固有优点的前提下，研制开发出创新微型传动装置? ?柱销环行星减速器。
The harbour is sydney ' s main attraction and no visit is complete without a harbour sightseeing cruise . these harbour tours set off from circular quay at regular intervals 海港是悉尼主要的诱人之处，而不在海港上观光巡游一番，就不算是一次完整的旅行。海港游活动每隔一段时间就从环行码头开始出游。
Three times each year , the semester at sea program takes more than six hundred college students sailing around the world . since nineteen sixty - three , almost forty thousand students have taken part 关于航海活动，一年3次，每学期都会组织600多名大学生参加环行世界之旅。自1963年起，已有40000多名学生加入此队伍了。
The thesis firstly made a research on waterpower calculation arithmetic of simple pipeline , and research results were used in other complicated pipeline system such as parallel pipeline , annular pipeline 本文研究了天然气在简单管线中稳定流态下的水力计算问题，在此基础上针对并行、环行等复杂管线的情形，改进了其算法。
