如果没有，你可以下载并安装它。

If not, you can download and install it.

youdao

电梯系统——包括底座、轨道和机房——可以被安装在工厂里，把受伤的风险降到最小。

Elevator systems—the base, rails, and machine room—can be installed at the factory, eliminating the risk of injury.

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经过特殊设计，这些电池板可以直接安装在现有道路表层，它们相对便宜并且易于安装。

The panels are also designed so that they can be installed directly on top of existing roadways, making them relatively cheap and easy to install.

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You can install other software on it, you don't have to use the Apple Store, you can use third party stores.

你可以在上面安装其他的软件,你不需要使用苹果原装软件，可以使用第三方的软件。

哈佛公开课 - 计算机科学课程节选

Suppose instead, I want a machine that can take a recipe, the description of a sequence of steps, take that as its input, and then that machine will now act like what is described in that recipe.

假设换成这个，我想要一台可以安装描述，一系列步骤的结果的方法的机器，把那个当做输入设备，然后那台机器可以像方法中,描述的那样运行了。

麻省理工公开课 - 计算机科学及编程导论课程节选

human text, ASCII text as input and output zeroes and ones that represent that program in a manner that the CPU, interesting, dammit, not installed on this computer.

编译器以人输入的文本，ASCII码为输入,它输出一些cpu实际上可以理解的，在这台计算机上没有安装。

哈佛公开课 - 计算机科学课程节选