如果这些方法都不奏效，你还可以利用镜头上的距离标示来手动对焦（以及合适的超焦距）。
If all these approaches are impractical, one could always resort to manual focus using distance markings on the lens.
两块版块的交界线用红线标示出来，但是即使没有这条红线，我们也可以根据距离海岸100千米(62海里)的那条海沟来辨认。
The boundary where the two plates converge is marked by a red line, but even without the line, its location would be revealed by the trench located about 100 kilometers (62 miles) offshore.
镇之间的距离可以在联结的道路间看到标示。
The distance between towns is given by the number on the road joining them.
MapMyRun：使用这个作者最喜爱的Google地图mashup之一标示跑步线路并获得准确的距离。
Map My run: Plot your run and get accurate distances with one of the author's favorite Google Maps mashups.
在受害者身上进行的GSR测试能标示出受害者是否遭到近距离射击，而其他人衣物上的GSR测试则能锁定嫌疑人。
GSR on the victim can indicate a close shot, and GSR on anyone else can indicate a suspect.
气体管路每隔1.5米的距离，都要有明确标示，同时指示气体的流向。
Each gas line shall be clearly labeled (colour and written code) for every 1.5-meter distance. Labeling shall also indicate the direction of gas flow.
然而，钟上的时间并非标示一天中的任何时刻，而是象征人类距离毁灭的午夜时分还有多久。
The time it shows does not indicate the time of day, though. Instead, the time displayed represents how close we are to midnight, a time symbolizing the destruction of mankind.
然而，钟上的时间并非标示一天中的任何时刻，而是象征人类距离毁灭的午夜时分还有多久。
The time it shows does not indicate the time of day, though. Instead, the time displayed represents how close we are to midnight, a time symbolizing the destruction of mankind.
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