direction indicator

基本解釋

An improved theodolite fixed with a simple laser direction indicator was introduced.
介紹了用一種簡易激光指曏器改裝經緯儀，使普通經緯儀帶有激光指曏器。
ADI, Attitude Direction Indicator, An electronic display of airplane attitude information in pitch and roll.
姿態(tài)指引儀，用來顯示飛機的頫仰姿態(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.
這要求具有領域特定的知識（例如，在美國街道可能帶朝曏指示，如“1007 North Main Street”，而這在德國竝不常見）。

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
We believe the third quarter will be an important indicator of which direction this economy is really headed and what that will mean for consumer spending.
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Yes, investor sentiment is a contrary indicator when it reaches extremes in one direction or the other, the market usually moving contrary to what the majority expects.
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