I wrote a column last month discussing whether runners should train with a coach - and not a single reader wrote in to ask how to find a coach.
上个月，我写了一个专栏，讨论跑步者是否应该接受教练的培训——不止一个读者写信咨询如何找到一个教练。
A seal can make and hold a single note for what seems like an indefinite period. You hear it in the distance and it sounds like a railroad train with its whistle stuck at a nearby station.
海豹会长时间的保持一种音调，在很远的地方你就能听到，这种声音类似于火车快进站时鸣笛被塞住时发出的闷响声。
The iPod, iPad and iPhone are all an extension of the Mac, turning photos, videos, music and movies into a single river of pleasure that we can dip into on the train, on the sofa or on the move.
iPad和iPhone都是Mac的延伸，可以将图片、视频、音乐和电影融合成一条快乐的河流，无论在火车上、沙发上还是行走过程中，我们都可以畅游其中。
The biggest single contributing factor is that most runners train for long runs, not for racing.
最主要的原因之一是大多数跑步者训练的是长距离，而不是比赛。
And it's precisely the mysteries beyond the window that make train travel so appealing, particularly with this journey along the world's third-longest single continuous railway service.
正是车窗外的神秘世界使乘坐火车去旅行变得如此令人心动，特别是行走在这条世界第三长的单段连续铁路线上。
Under the new education form, the talent who the normal university train is no longer some single talent, but a comprehensive talent.
在新的教育形势下，师范院校培养的人材不再是某单一学科的人材，而是一综合性人材。
Generally only sports educate and train two a piece of old specialitieses form, have younger, teachers strength weak, speciality single characteristic, little kind discipline with sport.
一般只有体育教育和运动训练两个老专业组成，具有年轻化、师资力量薄弱、专业单一、学科种类少等特点。
Through simulation, it is shown that ride comfort index of single car is greater than that of the whole train under the same suspension parameter of the bogie.
仿真结果还发现，在转向架悬挂参数相同的情况下，单一车辆的运行平稳性指标大于列车的运行平稳性指标。
This buzz was being caused by the train of very short pulses of microwave signal, each pulse causing a single click.
它是由非常短的微波脉冲信号引起的结果，每一个脉冲发出一声响声。
People spend days and nights in line at the train station to get a single ticket home.
很多人在火车站昼夜排队，只为买到一张回家的火车票。
Besides the conventional single pulse train generation, the ti: sapphire laser system sometimes produces two or even more pulses should proper conditions be satisfied.
在自锁模钛宝石激光器中，除可形成传统的单脉冲外，在适当的条件下，还可产生双脉冲。
Such algorithm is applicable to regular, irregular, single track and double track train operation diagrams, and can solve conflict problems of operation line in a short period.
该算法适用于周期、非周期、单线和双线列车运行图，能在较短的时间内解决运行线的冲突问题。
The analysis and synthesis of single Maglev(Magnetic Levitation) system is the basis of analyzing and controlling of the Maglev systems such as Maglev train, etc.
单磁铁悬浮系统的分析和综合是磁悬浮列车等悬浮系统分析和控制的基础。
Railroad car is single section car, so microcomputer network system adopts two-stage control, does not have to adopt intricate Train-Bus that adopted by organize into groups car.
有轨电车为单节车辆，微机网络系统采用二级控制，不必采用编组运行车辆所采用的较复杂的列车总线。
Real case calculations showed that this method enables to find out rapidly the optimum plan from single-group technical through train formation plans.
经大量实例运算表明，用本方法能较快地求出单组技术直达列车编组计划的最优方案。
This Paper Compared the responses for a Single-of-freedom linear mechanical System to stationary Vibration, random Vibration, transport (motor Uehicle and freight train) Shock testings.
比较了单自由度线性机械系统在稳态振动、随机振动、运输试验（汽车与火车）以及冲击试验中响应的大小。
I have extensively travelled on Europes so called advanced train system. And I only do it because as a foreigner I don t have a car in Europe, and therefore the train is cheap for a single traveler.
我在欧洲多次乘坐所谓的高级铁路系统，这么做的唯一原因是作为外国人我在欧洲没有车，因此一个人旅行火车会更便宜。
You're going to need a good education for every single one of those careers. You cannot drop out of school and just drop into a good job. You've got to train for it and work for it and learn for it.
无论你选择哪一种职业，良好的教育都必不可少，这世上不存在不把书念完就能拿到好工作的美梦，任何工作，都需要你的汗水、训练与学习。
A pulse-train generator using DIAC and single capacitance timing applied to the burst flashing signal lamp is proposed.
提出了一种基于双向触发二极管和单电容定时的，用于爆闪式信号灯的脉冲序列发生器。
Single chip processor F-V interface unit is a unit of converting the output signal of speed transducer for 6k locomotive into input signal demanded by domestic ZTL-3 automatic train stop apparatus.
单片机f - V接口装置是用于将6K机车速度传感器输出信号转换为适合于国产ZTL - 3型自动停车装置输入要求的装置。
Arranging structure and feature of six analyzing modes of single piece Chinese text helps us to master the main train of thought of analyzing mode of single piece Chinese text.
对这六种单篇语文教材分析模式的结构特点进行梳理，可以帮助我们把握单篇语文教材分析的主要思路。
Talking about train tracks, a rail is a single piece of steel that is part of the larger railway.
说起铁轨，轨道是单节的钢材，它是大型铁路的一部分。
The gathered samples are used to train the connected matrix of the fuzzy-neural network. And every single fuzzy-neural network is assembled to realize fault diagnosis.
根据采集的样本训练出模糊神经网络的连接矩阵，然后对单个的联想记忆网络进行合成，实现故障的诊断。
A mathematical model for level adjustment on the finishing train is set up on the basis of analysis on the side camber and single edge wave of the hot rolled strip.
本文解析了热轧带钢侧弯及单边浪板形，在此基础上建立了精轧机组进行水平控制的数学模型。
The main products are: excavators, Mining loaders, single live train Coal Unloaders.
主导产品为挖掘机、挖掘装卸机、火车单臂活节卸煤机。
The main products are: excavators, Mining loaders, single live train Coal Unloaders.
主导产品为挖掘机、挖掘装卸机、火车单臂活节卸煤机。
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