High retractility of the data link presented enhanced flexibility of the system. 提出的數據鏈具有高度可伸縮性，增大了系統靈活性。
The flexibility of the printed catalogue was improved by leaving spaces or inserting extra pages when required. 這種印刷的目錄以留空白或必要時(shí)插入另外的紙頁(yè)來(lái)改進(jìn)它的伸縮性。
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