语言设计的最大问题不在于技术，而是实用性上。
The deep problem in language design is not technological, it is psychological.
本实用新型属输电线路设计制造技术领域。
The utility model belongs to the transmission line design and manufacture technical field.
本实用新型属输电线路设计制造技术领域。
The utility model belongs to the transmission line design and manufacture technical field.
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