On overcast days, however, the birds were disoriented and had trouble locating their food box.

然而，在阴天，这些鸟儿会迷失方向，难以找到食盒的位置。

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This paper describes . and compares three popularly used trouble locating methods of power lines, i. e. , protection action analysis, fault recorder analysis and lightning location system.

介绍了电力系统线路故障点判断常用的保护动作分析、故障录波器分析和雷电定位系统三种方法。

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Says: "I can't be with you, but I'm going through the trouble of locating and buying striped carnations to say that."

花语：“我不能和你在一起，但是我正费好大事，去寻找且购买斑纹康乃馨来说出这个心里话。”

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Privacy-conscious users who know how to find and delete regular cookies might have trouble locating supercookies.

WSJ: Latest in Web Tracking: Stealthy 'Supercookies'

Robert Dennis had a lot of trouble locating pay phones in his home of Coral Springs, Florida.

CNN: Pay phones: The search for an endangered species

They have trouble locating 5 customers from the past 12 months who have hired them for similar services.

FORBES: Who are the Entrepreneurship Profiteers?