1.
Research on Rubber Particles Reinforced Polymer Modified Cement Athletic Track
橡胶颗粒增强聚合物水泥操场跑道材料的研究
2.
Automatic Extraction of Playground Racetrack in High Resolution Remote Sensing Image
高分辨率遥感影像中操场跑道的自动提取
3.
Where the deficiencies of the airport lay were in operating areas, notably runways and taxiways.
这个机场容量不足之处在操作区域，特别是跑道和滑行道。
4.
Where the playground was, McMug did not know. All he knew was to get the lunch box and follow where everyone did.
麦唛也不知道操场在哪，只知拿起午餐盒，拼命跟着其他小朋友跑。
5.
small airport runway indicator
小型机场跑道指示器
6.
the approach to the runway
进入跑道的进场飞行.
7.
We must prolong the runway of the airfield.
我们必须加长机场跑道。
8.
The boy is running here and there as if searching for something lost on the sports ground.
那男孩跑来跑去，好像在找丢在操场上的东西。
9.
The area inside a racetrack or running track.
跑道内的场地径赛道或跑道包围起来的区域
10.
Some of the people on the sports ground are playing ball games, and some are running.
操场上也有打球的，也有跑步的。
11.
The children are always chasing about in the playground after class
孩子们下课后总是在操场上到处乱跑。
12.
The children were teariny about in the playground.
孩子们在操场上四处奔跑着。
13.
All the schoolchildren ran about in the playground.
所有的小学生都在操场上跑步。
14.
I ran up to the big group of girls standing in the playground.
我跑向操场上站着的一大群女孩儿。
15.
THE material used for playgrounds and running tracks in schools across China may be a danger to children's health, experts say..
有关专家认为，中国很多学校建造塑胶操场和跑道时使用的材料可能威胁到孩子们的健康。
16.
Sports fields (with 400-metre track and soccer pitch)
运动场（附设四百米跑道及足球场）
17.
The following essential approach aid is unserviceable with R/ W31 localizer.
必要的进场设备：31号跑道航道不工作。
18.
Runners complete four laps of a 750m course laid out in a stadium.
运动员要在体育场750米的跑道上跑4圈。