I was like that ship before my education began, only I was without compass or sounding-line, and had no way of knowing how near the harbour was.

在开始接受教育之前，我就像这样一条船，只是没有罗盘，没有测深绳，无法得知离海港有多远。

youdao

It shows in theory that the frequency domain sounding in near zone of the line current source is possible.

通过对计算结果的分析，在理论上说明了线源频率域近区测深的可行性。

youdao

I was like that ship before my education began, only I was without compass or sounding-line, and had no way of knowing how near the harbour was.

我在接受教育之前正像那艘巨轮，所不同的是我连指南针或测深线都没有，更无从知晓离港湾还有多远。

youdao