本实用新型手感舒适，实用性强，实施容易，且构造新颖，结构简单、巧妙。
The utility model has comfortable hand feeling, strong practicability, easy implement, novel construction, simple structure.
该系统构造复杂、抗搅扰性强、实用性强，具有一定的工程使用价值。
The system structure is simple, anti-jamming is strong, practical strong, has certain engineering application value.
该系统构造复杂、抗搅扰性强、实用性强，具有一定的工程使用价值。
The system structure is simple, anti-jamming is strong, practical strong, has certain engineering application value.
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