瓶颈

In this paper, we discuss the development trend and the possible bottleneck of LED solid-state lighting.

在本文中，笔者介绍LED固态照明技术的发展趋势与可能遇到的瓶颈。

The traffic problem has been a bottleneck to the economic development.

交通问题逐渐成为阻碍社会经济发展的瓶颈。

Funds to promote the transformation of work from beginning to end is the bottleneck.

资金，以促进变革的工作从开始到结束的瓶颈。

Credit crisis to become a major bottleneck in development of electronic commerce.

信用危机成为电子商务发展的一个主要瓶颈。

With the rapid development of economy and society, the transportation infrastructure bottleneck restriction function has been more and more obvious.

随着社会和经济的迅速发展，交通基础设施的瓶颈制约作用越来越明显。

The knowledge acquisition is the bottleneck of the expert system.

知识获取是专家系统的"瓶颈"。

We can say that the lag marketing development of a vast number of small and medium enterprises bottleneck.

可以说，营销工作的滞后成为广大中小企业的发展瓶颈。

Then the particle swarm optimization is introduced to collision detection area. In this dissertation, it also proposes two novel framework which combines the exist techniques of hierarchy bounding volume and surface simplification with the PSO. We have tested the frameworks in our "Haptic Interactive System ". The new frameworks performance well for most models in virtual scene.

本文探索和研究了虚拟环境中广泛使用的碰撞检测算法，尝试把几何模型的碰撞检测问题转化为优化搜索问题，把粒子群优化搜索技术引入碰撞检测领域，并结合碰撞检测领域现有的层次包围盒技术和网格简化技术，组成新颖的限时干涉检测算法框架，即用户可以方便地控制分配给碰撞检测算法的时间，尝试去克服这一技术瓶颈。

Therefore,how to accelerate the training of highly skilled professionals will be the key to break this bottleneck.

因此，在保证质量的前提下，加快高技能人才培养的步伐，将是解决这一瓶颈的关键所在。

However, at present, the key is to break through the bottleneck, idea, let people agree publicity and consciously accept the environmental protection measures.

不过，在当前，关键是需要突破观念瓶颈，要通过大力宣传，让人们认同并自觉接受这项环保举措。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。