bottleneck effect

基本解释

There are many defects in the present teaching operational system that severely bottleneck the teaching effects and affect the higher educational quality.
現行的教學運行機制仍然存在諸多不完善之処，嚴重制約了教學傚率，影響了高職教育的質量。
The results indicate high levels of genetic diversity within populations and no signs of severe genetic bottleneck effects were found in this rare species.
結果表明太行花居群內維持著較高的遺傳多樣性水平，未顯示遭受過嚴重遺傳瓶頸的跡象。
The paper also analyzed the promoting effects of road traffic and bottleneck excited today, and suggested some corresponding countermeasures on how to protect the tourism development in Xinjiang.
在對問題進行深入分析的基礎上，提出了新疆公路建設如何更好的保障旅遊業的發展的對策和建議。