查询词典 bottleneck

Extracting high quality genomic DNA from single shoots of xeric bryophytes has been the bottleneck for further study on the genetic diversity.

：耐旱苔藓植物常常单个个体矮小、生物量低，如何从细小的单个个体中有效提取总DNA是进一步开展居群遗传多样性研究的关键。

Micro power sources have become a bottleneck for the development of microsystem technologies such as SOC.

该项目是微电子学与材料、电化学学科的成功交叉与结合，研究面向以SOC为代表的微型器件和系统的能源供给。

To solve those problems in extended reach wells and horizontal multibranch wells and ease the "bottleneck" of domestic pointthebit of rotary steerable drilling technology, combining theory with practice, we summarize the rotary steerable drilling technology at home and abroad, introduce two typical and popular bottom hole closed loop rotary steerable drilling tools, namely MRST and GeoPilot.

为解决在钻大位移井、水平分支井等复杂结构井时出现的种种难题以及国内指向式旋转导向钻井技术的&瓶颈&问题，将理论与实践相结合，对旋转导向钻井技术的国内外研究现状做了分析；介绍了目前国内外运用比较广泛且典型的推靠式MRST和指向式GeoPilot井下闭环旋转导向钻井工具。

Nevertheless, just ring down the curtain in garden of Shanghai multimedia industry " forum of content of number of 2008 Sino-South Koreans ", say frankly however bottleneck of the existence inside course of study.

不过，刚刚在上海多媒体产业园落幕的&2008中韩数字内容论坛&，却坦言业内存在瓶颈。

On the basis of integrative expatiation and analysis on current development and problems of western advertising, this thesis summarizes the reasons which lead western advertising hang behind and face bottleneck condition, and propose a strategic concept for sustained development of western advertising In the national point of view, the development of advertising is always restricted by local social and economic development, but as the grown-up of different regional economies with their own characteristics, advertising in different regions would show their regional characters.

从全国范围来看，不同地域的广告发展水平始终受到当地经济社会发展水平的制约，但随着具有不同发展特点的区域经济在国内的迅速崛起，各个区域的广告业也将表现出差别非常明显的区域化特征来。

If want to break the our country the logistics bottleneck that electronic commerce development, the urgent matter of the moment builds up acculturation, industry's turn as soon as possible to go together with to send the system with modern efficiently reasonable logistics, the modernization that carry out the logistics, information-based, the profession turn, legalization, and speed talented person development, thus then can make a clean sweep of our country the obstacle that electronic commerce development, then can make our country the electronic commerce develops constantly and perfect.

若想突破我国电子商务发展的物流瓶颈，当务之急是尽快建立社会化，产业化和现代化的高效合理的物流配送体系，实现物流的现代化，信息化，专业化，法制化，以及加快人才培养，如此才能扫清我国电子商务发展的障碍，才能使我国电子商务不断地发展和完善。

However, during the development progress of small and medium-sized enterprises, the financial bottleneck has become one of the cruxes which restrict the development of small and medium-sized enterprises.

但目前我国中小企业在发展过程中面临的&融资瓶颈&已成为制约我国中小企业发展的关键问题之一。

Because of the similar concept and mutual imitation, library and information journals are confronted with the problem of homogeneous competition in similar content, format and operation which may lead to falling off in papers' quality and even cumbering the journals' development because of bottleneck effect.

通过调查分析，发现因编辑的办刊理念相同，相互模仿而导致我国图书馆学情报学期刊在内容、版式设计风格及运营方式上都存在着同质化竞争的倾向，不仅使平均发文质量降低，还会因瓶颈效应而延缓并阻碍其发展。

The research of AI has always been one of the front ofthe computer theory and application research. But the bottleneck of knowledge acquisition cumbers the research progress of AI researcher. CBR can solve this problem with better results and is widely applied to various fields of problem solving. The prospect of the application is very well.

人工智能的研究历来是计算机理论及应用研究的前沿之一，但是知识获取的瓶颈，一直束缚着人工智能研究人员的研究进程，而基于范例推理系统恰能较好地解决这个问题，目前已广泛应用于各种问题求解，有着十分良好的应用前景。

What is the technology bottleneck that curbs the development of music handsets at present

目前制约音乐手机发展的技术瓶颈是？

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。