The digital image processing such as edge detection and boundary tracing to pick up the first break time is discussed in this paper, which based on the specialty of first break time.

根据初至波特点，基于数字图像处理技术，提出了应用边缘检测和边缘追踪技术进行初至波自动拾取的方法。该方法的实现过程为：①对地震记录做单道归一化处理；

youdao

Your first thought could be that it's time to refactor, but doing so would break the first rule of refactoring, which is to write a test case.

您首先想到的可能是：到重构的时间了，但这样做将打破第一个重构规则，即将编写一个测试用例。

youdao

In 2004, the media declared itself astonished to see voter turnout break 60% for the first time since 1968.

2004年的时候，选民投票率自1968年以来首次突破60%已经让媒体大跌眼镜了。

youdao

The youthful Russians outpaced the experienced Swedes to qualify for the knockout stage for the first time since the break up of the Soviet Union.

CNN: Rampant Russia make last-8 date with Dutch

The hosts applied sustained pressure for the first time after the break but failed to make it count.

BBC: N Ireland 0-2 Slovakia

At 30-15, the Knicks have 30 wins before the break for the first time since the 1996-97 season, when they were 32-13 after 45 games.

WSJ: Stoudemire 10 for 10, Knicks crush Kings 120-81