A preliminary groundwork must be laid this year.

初步基础。

The first meeting laid the groundwork for the final agreement.

第一次会议为最终的协定奠定了基础。

We are already doing the groundwork for the introduction of the scheme next year.

我们已经在为明施行计划做些基本的准备工作。

The soil magnetism data is the groundwork of biomagnetism application in agriculture.

摘土壤磁性数据将是生物磁学农业应用的基础。