查询词典 track and field

He entered field and track events.

他参加了田径赛。

I will miss my friends, the school, the teachers and even the track field.

我将会想念我的朋友，老师，还有给我带来快乐的田径场。

Sustainable development of field and track in china is necessary.

走可持续发展道路是中国竞技田径运动的必然选择和趋势。

Traditional sports in southwest minority nationalities mainly include such events as track field, ball games, martial art, chess, water sports, games, horsemanship, acrobatics, and animal fight. These sports games events are characterized by features of region, mass participation, festivity, being easy to participate, passing on from generation to generation, permeability and amusiveness.

我国大西南是少数民族主要聚居区，居住着藏、苗、彝、壮、布依、侗、瑶、白、土家、哈尼、傣、傈僳、佤、拉祜、水、纳西、景颇、仫佬、羌、布朗、毛南、仡佬、阿昌、普米、怒、德昂、京、独龙、门巴、珞巴、基诺等31个少数民族，各族人民在开发耕耘这块国土的同时，创造了丰富多姿的民族文化，成为我国文化多样性最为富集的地区，作为民族民间文化最重要组成部分的民族传统体育游艺在这些民族中有大量的遗存。

The process does not depends on catalytic hydrogenization method, has simple reaction condition, high reactant yield all over 75%, can use TLC to track the whole reaction process, and is more suitable to the transformation of function group in the organic synthesis field as the result of N-Boc or N-Cbz derivative is easy to loss protective reaction, which has spreading application prospect.

该方法不依赖于催化氢化方法，反应条件简单，反应产物产率高，均在75％以上，反应过程可用TLC进行跟踪，且由于N-Boc或N-Cbz衍生物更易发生去保护反应，在有机合成领域更适宜于官能团的转化，具有广阔的应用前景。

In the simulation of gas flow, the finite volume method is selected. The three-dimensional time averaged N-S equation, the RNG k -ε turbulent model and the mixed mesh are used. Then the Lagrange particle track model and the uniphase coupling method are used to simulate the gas-solid two phase flow field in the centrifugal fan.

在气相流场的数值模拟中采用了有限体积法和混合类型的网格，以三维时均N-S方程和RNGk-ε两方程湍流模型为基础，利用SIMPLE算法，对离心式通风机进行了内部流场的数值模拟。

The tracker frame drives the tracking television measurement system to track the target to make the target miss volume reduced and keep the target locked in the field of television.

可见光电视测量系统主要用于对可见光波段的目标进行实时测量，即将视场中目标偏离光轴的角度大小检测出来，送伺服系统，形成闭环，由跟踪架带动电视测量系统跟踪目标，使得脱靶量减少，将目标始终锁定在电视视场之中。

He noted that the scouts and skippers who had awful track records , which would ordinarily prevent them from getting another job in any field , were continually rehired by other clubs .

他指出，童军和船长曾可怕的记录，这通常会阻止他们获得另一份工作在任何领域，不断重新雇用的其他俱乐部。

TPC and a self-propelled track chassis for transporting the grain sacks off the field and for windrowing the threshed straw with mounted reaper.

介绍的机器系统包括自走式割前脱粒收获机和供田间运输粮袋与割晒已脱粒的稻草用的履带式自走底盘。

The field was bounded on two sides by a post and wire fence; the other two sides were open to a farm track.

这片地的两边有标杆和铁丝围栏为界，另外两边则敞向农场的小路。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。