然后选取目标基线。

Then pick the target baseline.

youdao

向后巡览下拉式清单、指向目前图形，然后选取节点。

Navigate Backward drop-down list, point to the current graph, and then select a node.

youdao

借由选取物件然后选取事件，即可建立新的处理常式。

You can create a new handler by selecting the object and then selecting the event.

youdao

By "Present," We mean-- we will pick some part of the universe we want to study and we will ask, "What information do I need to know for that system at the initial time, like, right now, in order to be able to predict the future?"

我们所说的"现在",意思是,我们会选取客观世界某一部分来进行研究,然后我们就会问,我们需要什么信息去了解,初始时刻的系统,比如现在,进而能使我们能够预测未来呢

耶鲁公开课 - 基础物理课程节选