The story has a number of variants, different people talking to a taxi driver, lift operator etc. The basic point is still valid though.
关于擦鞋男孩的这个故事有若干种不同版本，不同的人是在与出租车司机、电梯操作员等进行交谈时发现股市处于泡沫的，然而，其基本思路都是站得住脚的。
The basic principle of eddy current testing is introduced and the coil impedance responses due to the variations of the probe coil lift-off are analyzed and studied.
简要介绍了涡流检测的基本原理和涡流探头的特性；分析和研究了涡流检测探头提离变化对阻抗的影响；
The potential lift is computed by the numerical method of basic solution distribution.
位流升力的计算，采用基本解的数值计算方法。
Weightlifting is a popular sport in the United States. People like to lift weights for several reasons. There are 3 basic reasons to lift weights.
举重在美国是非常大众化的体育运动。人们喜欢举重有几个原因，其中有三个基本原因。
Surface proximity and swirl rotational speed are the two basic factors leading to flame lift-off asymmetry, but their influences on the flame lift-off length is not strong.
模拟的结果发现贴壁程度和涡流转速是产生火焰浮起长度不对称性的基础，但其对火焰浮起长度的影响并不显著；
The basic modes of direct lift control are analyzed in this paper.
本文对联接翼气动布局的直接升力控制特性进行了初步的探索。
The basic modes of direct lift control are analyzed in this paper.
本文对联接翼气动布局的直接升力控制特性进行了初步的探索。
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