Although the average was zero, each interval had a maximum (and a minimum) reading. In this graph, my APM is displaying a flat zero line indicating the average but also the maximum value.

虽然平均值是零，但是每一个时间间隔都有一个最大(和最小)读数。

youdao

Strictly prohibited ground connected to the zero line or water pipe.

严禁将地线接在零线或自来水管上。

youdao

The electrification of zero line results from the the potential difference between zero line and the earth.

零线带电现象是指测量点处，零线与大地之间存在较明显的电位差。

youdao

So this is the percent error and what you see here is that if the number is below the zero line it means people underestimated the calories, and the bars that go above means people overestimated the calories.

这是百分比误差,你们看,如果数字低于零,这表示人们低估了卡路里,高于零表示人们高估了卡路里

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So all of these programs or commands that we've been using thus far for the piece set in class, take what we call command line arguments, they are the zero or more words that follow the program's name.

所有我们一直在课堂上使用的,这些程序或者命令，携带着命令行参数，它们是跟在,程序名的后面的一个或多个单词。

哈佛公开课 - 计算机科学课程节选

So yes, it should be zero at zero, but I made the line too thick.

它在原点处应该是零的，但我这里线画得太粗了。

麻省理工公开课 - 化学原理课程节选

The MACD-His dropped below the zero line four weeks after the euro made its highs.

FORBES: Demystifying the MACD

Seven weeks after the highs, the MACD- His dropped below the zero line (line d).

FORBES: Demystifying the MACD

The McClellan oscillator has dropped below the zero line and its uptrend, line d.

FORBES: Does Size Really Matter?