关于伊朗核项目的用途和本质方面国际社会存在深刻的担忧，这些问题必须得到澄清。

There are serious question marks within the international community regarding the purpose and nature of Iran's program and these need to be clarified.

youdao

启动过程组（见图3-6）是开始一个项目或项目阶段，该过程组的成果确定了项目的用途，明确了目标，并授权项目经理开始实施这一项目。

The Initiating Process Group(Figure 3-6)starts a project or project phase, and the output defines the project's purpose, identifies objectives, and authorizes the project manager to start the project.

youdao

说到风筝的使用目的和功能，它们当然有多种用途。

Turning to the purpose and function of the kites, they certainly had multiple uses.

youdao

It's just not possible to solve some of these problems by hand and this isn't even a domain that's necessarily into the world of CS but speaks to you the applicability of it all.

手工处理这些问题似乎有些不大可能,但这还不是,计算机科学要解决的主要问题,我们的目的只是为了告诉你它的用途。

哈佛公开课 - 计算机科学课程节选