Although drug therapy is considered the first-line approach to treating PAF, there may be serious adverse effects, Dr.

尽管对于PAF，药物被看做是一线治疗，但其也会造成很严重的不良反应。

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The opening line that you say to a woman when you first make your approach is extremely important, and by now you should know that pick up lines are no good.

当你第一次约会的时候开场白是十分重要的，你也应该知道让女孩子主动是不好的。

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Based on the traveling wave, double ended approach only deals with the first transient traveling wave reaching the two buses of the fault line.

基于行波的输电线路双端测距算法只用到到达故障线路两侧母线的第一个故障初始行波波头，其可靠性较高。

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Over-the-counter products such as oral antihistamines and eye drops are a good first-line approach for people with mild allergies, says Dr. Stephen Canfield, an allergist at Columbia University Medical Center in New York City.

CNN: Finding relief as spring allergies rage on

Specifically, a road that runs across the Aintree racetrack close to the starting line means that Grand National horses face a two-furlong gallop up to the first fence, the longest approach of any jumps race in Britain.

WSJ: Why They Fear Aintree's First