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

You do so via the seek method, which takes a single parameter that indicates where in the file you want to start reading or writing (for example, zero indicates the start of the file).

回到开头要通过seek方法进行，它接受一个参数，表示要从文件中的什么位置开始读取或写入(例如，0代表文件开头)。

youdao

Finally, after each sampling and cleaning sequence the measurements’ zero point ischecked with a water freeness measurement to make sure the next reading isrepeatable.

最后，在完成每次取样和净化顺序后，必须借助于水游离度测量来校正测量仪器的零点，以确保可以进行下一个读数。

youdao

When pressed for details about how this "document DRM" actually works, the PR rep we spoke with had zero information -- we asked whether a Mac version of the BBeB-reading software would be released but no word on that either.

ENGADGET: Sony Reader details and pics

Repairs to a Reading town centre road have been further delayed due to sub-zero temperatures and the discovery of Medieval remains.

BBC: Reading Friar Street cracked road surface