direction indicator

基本解釋

An improved theodolite fixed with a simple laser direction indicator was introduced.
介紹了用一種簡(jiǎn)易激光指向器改裝經(jīng)緯儀，使普通經(jīng)緯儀帶有激光指向器。
ADI, Attitude Direction Indicator, An electronic display of airplane attitude information in pitch and roll.
姿態(tài)指引儀，用來(lái)顯示飛機(jī)的俯仰姿態(tài)和坡度的電子顯示。
This requires domain specific knowledge (for example, streets may have a direction indicator in the U.S., such as "1007 North Main Street", which is uncommon in Germany.
這要求具有領(lǐng)域特定的知識(shí)（例如，在美國(guó)街道可能帶朝向指示，如“1007 North Main Street”，而這在德國(guó)并不常見）。

There's also a handful of elements that we seldom see in these apps, such as a direction-relative wind indicator, optional motion-driven navigation and visual themes.
ENGADGET
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