Strictly speaking, the AST (abstract syntax tree) is also an IR (intermediate representation) - since it is not quite the source, and not quite the target language.

严格说来，AST(抽象语法树)也是一种IR——因为它既不是源代码，也不是目标语言。

youdao

It featured a built-in CD-ROM drive, a user replaceable battery, a large IR port, and a built-in stylus.

它的特点包括内置CD - ROM驱动器，用户可自行置换的电池，红外口，以及内置输入笔。

youdao

The properties of some insulators change with applied voltage, so it is important to evaluate IR at or above the expected operating voltage.

有些绝缘体的性能会随施加的电压发生变化，因此评估绝缘电阻的预期工作电压是非常重要的。

youdao

The sleek, industrial design combined with integrated IR emitters makes it a compact, unique and easy-to-use addition to any home entertainment center.

ENGADGET: Sling Media officially unveils the Slingbox 350 and 500 HD

Long and short of it was, if IR could get back the market share it was losing while at the same time boosting its return from capital assets, Kumar could return the operation to a sound footing even without touching the mass fares or laying off staff.

FORBES: On the Right Track

At the head of the device is an infrared sensor, but forget about using it as an IR-blaster like the Galaxy Tab 7.0 Plus, it's only designed to work with 6100-series handsets and compatible printers.

ENGADGET: Nokia 7110 review Mobile