在线

1. 请在线下签上你的名字。
   Please sign your name below the line.
2. 我们的几项研究发明经转化已被应用于商业领域，特别是在线性液压方面的一项突破性成果现在被国内各家石油公司采用。
   Several of our research discoveries have been adapted for commercial use, and one particular breakthrough in linear hydraulics is now being used by every oil company in the country.
3. 从另一线路传送来的不必要的能量在线路中引起的干扰。
   The disturbance caused in a circuit by an unwanted transfer of energy from another circuit.

在的英语翻译：

线的英语翻译：