For inner ones supervisory and appraisal system on quality should be ameliorated and perfected and training of teachers should be better by the college.
在学校内部上应改进和完善质量监督与评价体系,加强师资队伍建设。
In this condition, new communication technologies are introduced continuously. The old technologies are optimized, perfected and even replaced by the new ones.
在这种情况下新的通信技术不断地产生,并不断地优化、完善,甚至取代原有的通信技术。
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