您必须启动 Acrobat Reader 并接受许可协议，否则您以后可能会遇到意想不到的问题。

You must launch Acrobat Reader and accept the license agreement, otherwise you may have unexpected issues later.

youdao

创建服务器配置后，必须启动服务器。

After creating a server configuration, it must be started.

youdao

首先，必须启动侦听器进程。

First, a listener process must be started.

youdao

It also has to have a promoter for the gene that the cells can recognize.

另外还必须带有,受体细胞能够识别的启动子

耶鲁公开课 - 生物医学工程探索课程节选

In this case the promoter, which is a sequence of DNA that is positioned right in front of the gene of interest, the promoter is the betagalactoglobulin promoter in this case, and betagalactoglobulin is a milk protein.

这里涉及到的启动子,也是一段DNA序列,它必须刚好位于目的基因序列前端,我们用到的是β-乳球蛋白启动子,β-乳球蛋白是乳汁中的一种蛋白

耶鲁公开课 - 生物医学工程探索课程节选