Objective To study the lead selection of QT interval measurment in the patients with acute myocardial infarction and to examine the relation of QT dispersion with VT/VF.

目的探讨急性心肌梗死测定最大QT间期的导联选择及分析心肌梗死急性期QT离散度与恶性以律失常的相关性。

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These kinds of questions lead to a good selection of pivot points.

通过这些问题，可以很好地选择轴心内容点。

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As a selection is updated in these components, information components at the bottom of the screen give a summary of the selected lead and the company owning the selected lead.

当更新这些组件中的某个选择时，屏幕底部的信息组件将显示所选择的潜在客户及其所属公司的摘要信息。

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He also dismisses the notion that sex selection would lead to a more sinister form of eugenics.

BBC: 'Legalise IVF sex selection'

Cutler was identified as the lead attorney when the jury selection began in March, but he stumbled badly during his opening statement and then infuriated the judge with a savage cross-examination of a woman who claimed Spector threatened her with a gun.

CNN: Spector murder trial: Spector attorney resigns

Charles Darwin, by contrast, found a lead for his theory of natural selection in the whimsical hobby of pigeon fancying, where the birds showed an enormous variety of form and behaviour.

ECONOMIST: Medicine: Shooting down cancer | The