瓶颈

Distant cross-breeding of tree peony is the main means of cultivar improvement at present and for quite a long time in the future, however, long breeding period and cross abortion are the two main obstacles for obtaining new cultivars effectively.

远缘杂交育种是目前及今后相当长的一段时间内牡丹育种的主要方式，但育种周期长与杂交败育是影响其发展的瓶颈。

Firstly, all kinds of error sources affecting GPS positioning precision are analyzed in this thesis and it is concluded that troposphere de

本论文分析了影响GPS定位精度的各种误差源并提出了相应的对策，通过深入分析得出对流层影响是制约VRS系统精度的瓶颈之一。

Bacteria disease has been the choke point of turbot breeding. Work is always focused on how to prevent outbreak of fish disease.

细菌性病害一直是大菱鲆养殖过程中的瓶颈，而细菌性病害的防治一直是工作的重点。

This paper analyzes that the biggest bottleneck of RFID is business model, and points out that the application of medium-and-low frequency mode has been mature, but the application of ultra-high frequency mode still needs innovation.

本文首先分析了RFID行业的发展瓶颈之首是商业模式，明确指出我国中低频段的应用模式已经较为成熟，但是超高频的应用模式需要创新。

There are lots of courses for those problems and some can be explained with the economic theory. For example, the increasing depletion of marine fisheries resources is resulted from the unclarity of ownership to fishery resources, which produces the dissension between different regions and between the port developers and the government. And there are also conflict between the current interests and long-term interests. In addition, the contamination of marine environment is from the information asymmetry.

产生上述问题的根源有很多，有些问题可以从经济学理论中得到解释，如海洋渔业资源的日渐枯竭，根源在于渔业资源的产权归属不明晰，而港口资源的价值低估在于港口开发商与政府、政府当期利益与远期利益、不同区域之间等三个博弈"瓶颈"，海洋生态环境的破坏则是因为两方面的信息不对称。

For example, the increasing depletion of marine fisheries resources is resulted from the unclarity of ownership to fishery resources, which produces the dissension between different regions and between the port developers and the government. And there are also conflict between the current interests and long-term interests. In addition, the contamination of marine environment is from the information asymmetry.

产生上述问题的根源有很多，有些问题可以从经济学理论中得到解释，如海洋渔业资源的日渐枯竭，根源在于渔业资源的产权归属不明晰，而港口资源的价值低估在于港口开发商与政府、政府当期利益与远期利益、不同区域之间等三个博弈"瓶颈"，海洋生态环境的破坏则是因为两方面的信息不对称。

This is the absolute, unconditioned Truth which is Life itself.

这句话没有任何恶意，只因为我们已经到达一个必须面对事实的瓶颈。

Apparently the prosperity of Q4 also can be inspected is the Yu Hui that game of a kind of network takes bottleneck period, after all nowadays is not the times that relies on single product to make the world any more, if walk out of,allow " demon animal world " odd group, avoid single product to promote a company, single product dies an awkward condition that the company dies, it is each net swims actually the issue that the company must consider, and this one problem is generally even to swim with the net of those a gleam of in old man, diversity or the key that will become broken undeceive bureau, and if realize diversity truly, will be all game company the decisive issue that 2009 place must consider.

表面上Q4的繁荣也可以视作是一种网络游戏走入瓶颈时代的余晖，毕竟如今已经不是靠单个产品打天下的时代，如果走出准《魔兽世界》的怪圈，避免单个产品兴则公司兴，单个产品亡则公司亡的尴尬境地，其实是每一个网游公司都必须考虑的问题，而这一问题甚至普遍存在与那些一线的网游大佬之中，多元化或将成为破解迷局的关键，而如果真正实现多元化，将是所有游戏公司在2009年所必须考虑的关键性问题。

Since the significant adjustment and reform of the organizational structure in PLA has been carried on in 2003, the planned proportion of NCO is raised greatly, their status and function become more prominent, however, there is an undenied fact that the rather unsatisfactory abilities of NCO as a whole is restraining the construction of the army's battle effectiveness.

2003年我军体制编制进行重大调整改革以来，士官在部队的编成比例大大增加，地位和作用更加突出，但士官队伍整体素质不高成为制约部队战斗力建设的"瓶颈"因素却是一个不争的事实。

Produce the sources of energy and the account that carriage bottleneck restrains, it is these before a few years of branch undercapitalize, nearly 2

产生能源和运输瓶颈约束的原因，一是前几年这些部门投资不足，近两 1。

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。