In one demonstration, the team cut duplicate keys after analysing images taken on a mobile phone.
在一次演示中，小组人员通过分析手机拍摄的照片对钥匙进行了复制。
The smile keys are also intended to cut down on typos.
微笑键型还意在减少输入错误的发生率。
Guide vane operation structure includes the guide vane arm clip board, guide vane arm, segmental keys, connection board, handle, cut pin, connecting rod pin and gland, etc.
导叶操作机构主要包括：导叶臂压板、导叶臂、分瓣键、连接板、耳柄、剪断销、连杆销及压盖等。
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