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.
现行的教学运行机制仍然存在诸多不完善之处，严重制约了教学效率，影响了高职教育的质量。
The results indicate high levels of genetic diversity within populations and no signs of severe genetic bottleneck effects were found in this rare species.
结果表明太行花居群内维持着较高的遗传多样性水平，未显示遭受过严重遗传瓶颈的迹象。
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.
在对问题进行深入分析的基础上，提出了新疆公路建设如何更好的保障旅游业的发展的对策和建议。