调查者设置了6架隐蔽摄影机，用于捕捉狮子影像，他们发现了狮子踪迹。
The researchers set out six camera traps capturing images of lions, and they identified lion tracks.
为狮子滩电厂水轮机增容改造研制和设计的模型转轮及模型机的主要参数分析与设计思路和试验研究结果。
The main parameters of model runner and model machine designed and developed for turbines transformation at Shizitan Power plant are analyzed. Design Considerations and test results are presented.
应用精确化装补球方法，开展了提高狮子山铜矿磨机生产能力的研究。
Applying a method of accurate loading and addition of milling balls, research to raise the mill capacity of Shizishan Copper Mine was carried out.
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