瓶颈

And it is also a check point to understand the physical chemical properties of the unique aggregates.

在没有外加能量的条件下，由单体分子、胶束或双层膜如何自发转变为囊泡，以及自发形成的囊泡的稳定性一直是近期研究的热点，也是弄清这一特殊的聚集体的物理化学性质的瓶颈。

The limitations of the research method result in the choke point of the development of criminal science.

方法的局限性导致了刑事科学发展的瓶颈。

However,low quality of rural population is a "choke point"restricting transfers.

然而，农村人口素质低是制约着转移的"瓶颈"。

As for intelligent use of fertilizer,the potassic fertilizer is a choke point in China.

就合理使用肥料来讲，钾肥已成为我国农业发展的瓶颈。

In some developed countries, logistics industry has been as a backbone industry, but our country's logistics industry is a choke point of economic development and industry upgrade.

在世界一些发达国家和地区，物流产业已成为国民经济的支柱产业。但目前我国的物流产业却是制约我国经济发展、产业升级的瓶颈。

How to detect target in strong background has always been a choke point in limiting electro-optical equipment's ability.

背景很强时对弱目标的检测，一直是限制光电探测设备监测能力的瓶颈。

In a lot of regions of our country, shortage of water resources has become the choke point which holds up the development . It affects directly sustainable development of the society and economy of our country.

在我国，水资源短缺在很多地区已经成为严重阻碍经济社会发展的瓶颈，直接影响我国经济社会的可持续发展。

It is a choke point in the reform of criminal trial that the witnesses seldom take stand.

证人不出庭已成为控辩式刑事庭审方式改革的瓶颈之一。

The speed stability control is called choke point to the nongyroscopic north seeking system's development.

速度稳定性控制被称为制约非陀螺寻北系统发展的瓶颈。

But the huge video data and limited network bandwidth are always choke point.

但是，视频数据量大和网络带宽有限一直是限制着视频监控网络化的瓶颈。

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。