瓶颈

But there exist many problems in residents participation, such as passive participation, unperfected participation mechanism, weak participation consciousness etc.,these problems become the bottleneck problem of further development of community autonomy.

但是实践中居民参与存在诸多问题，如被动性参与、参与机制不完善、参与意识淡薄等，成为制约社区自治进一步发展的瓶颈问题。

As an important part of automatic mechanism, precise intermittent movement mechanism plays an unreplaceable role in the development of current industry.

作为自动化机械的重要组成部分，精密间歇运动机构在当代工业发展过程中起着不可替代的作用，但精度和寿命却一直制约着这种作用的发挥，成为其性能提高的瓶颈。

At the same time, many problems of unstandard appear and have become a barrier restricting the development of private enterprise.

但在民营企业发展过程中，许多问题和不规范之处逐渐显露出来，已经成为制约民营企业发展的瓶颈。

The problems of professionalization and vocationalization of social work are the unsurpassable botttle-neck which continually prevents social work from progressing.

社会工作专业化及职业化这两大难以逾越的瓶颈一直阻碍着社会工作的阔步前行。

To mitigate this bottleneck effect,it is necessary to understand and practise validly humanities and social science education.

人文社会科学教育的严重缺失已经成为理工科院校开展素质教育的一大&瓶颈&。

Current, matrix, plant and microbial choice and configuration are the bottleneck that the influence carries out the effect wetly artificially and crucial place.

目前，基质、植物和微生物的选择和配置是影响人工湿地实施效果的瓶颈和关键所在。

At last, the appearance of the bottleneck seriously limits the promotion and the development of the fifth roof viresence in Whan.

最后，针对武汉市屋顶绿化&瓶颈&，严重限制了武汉市城市第五立面——屋顶绿化的推广与发展。

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。

As the number of open source projects increase, how to help users find the modules they need has become the chokepoint of reusing important open source resources.

随着开源项目数目的增多，无法快速找到用户所需的开源组件已经成为阻碍重用开源资源的瓶颈。

The domestic corporations want to survive, they have to break through the chokepoint of technical and develop the top grade air jet loom.

控制系统作为喷气织机的核心部分，突破其技术瓶颈，研究高档的喷气织机，就成为我国织机制造厂家能否生存的关键所在。

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。