瓶颈

Getting into the reserved room aisled upon a capacious inside, I got the feeling of entering a bottleneck, in which one would not get out as easily as getting in.

进了他们事先准备好的一个里面宽敞，过道十分狭窄的客房，那客房让我感觉我进入了一个瓶颈，进入容易，出来就难咯。

A method of modeling SoC using SystemC at transaction level is introduced in this paper. The design and implementation of transaction level models of AMBA bus are focused on.

针对目前SoC设计中的时间瓶颈，根据系统建模语言SystemC对SoC进行事务级建模的方法，提出并实现了采用该方法构建基於AMBA规范的SoC片内总线模型的方案。

The glutamine synthetase produced by the engineering bacteria can specially act on NH4 and aminoglutaric acid, the durability to the high concentration ammonium ion has been distinctively improved because of the dissolution of adenosine acylation modification, the major bottleneck of glutamine with enzymatical production has been solved, and the concentration of the obtained glutamine can reach 47.6g/L.

本发明工程菌产的谷氨酰胺合成酶可专一性的作用于NH 4 和谷氨酸，且因解除了腺苷酰化修饰作用对高浓度铵离子的耐受能力显著提高，解决了酶法生产谷氨酰胺的重要瓶颈，生成的谷氨酰胺的浓度最高达到47.6g/L。

Such natural and anthropogenic characteristics are likely to increase the frequency of local bottlenecks and extinctions.

这些自然和人为的特点似乎能增加种群的局部瓶颈和灭绝的频率。

At last, according to the computer simulation models, the thesis analyses different questions aim at different purpose, such as: the logical scheme of yard machines, the optimization of yard machine attempter, the affect that some kinds of working environment effect on the yards work, and the most high-point throughput of the yard and its bottle-neck, All this provides the decision support for the terminal manegement.

最后，在计算机仿真模型的基础之上，针对不同的仿真目标，通过对模型的修改，本论文重点研究和分析了自动化堆场机械匹配作业的协调性、机械的合理配置、堆场机械作业策略优化、不同外界工况对堆场作业的影响，以及堆场的极限作业能力和瓶颈等问题，为码头管理者提供了决策依据。

At last, according to the computer simulation models, the thesis analyses different questions aim at different purpose, such as: the logical scheme of port railway machines, the optimization of port railway machine attempter, the affect that some kinds of working environment effect on the port railways work, and the most high-point throughput of the port railway and its bottle-neck, All this provides the decision support for the terminal manegement.

最后，在计算机仿真模型的基础之上，针对不同的仿真目标，通过对模型的修改，本论文重点研究和分析了集装箱码头铁路物流机械匹配作业的协调性、机械的合理配置、堆场机械作业策略优化、不同外界工况对作业的影响，以及集装箱码头铁路物流的极限作业能力和瓶颈等问题，为码头管理者提供了决策依据。

The lysis efficiency was about 90% for heat-inducible vector or around 30% forUV inducible vectors. This set of autolytic units should be transferable to other vectors.

本体系能够通过简单的物理方法，将具有生物活性的胞内酶释放到胞外的，解决了定向进化的一个瓶颈问题。

This paper focuses on the general assembly line of solar energy rime of ShaoXing JingGong of Electromechaincal Research institute Co. Ltd, based on summarizing and analysizing some references, through researching the present assembly line autoptical and measuring the relevant data, analysizing its balance state by using the diagram of speed, according ECRS and active economic rules, improving time , including splitting and regrouping its intrinsic working procedure, so as to eliminate the bottle-neck phenomenon.

本文以绍兴县精工机电研究所有限公司太阳能结晶炉总装生产线为研究对象，在总结和分析现有相关文献的基础上，通过对现有装配线进行实地考察以及相关数据的测量，使用速度图表分析其平衡状况，根据ECRS原则，改善节拍，包括对原有工序进行拆分、重组，以达到消除瓶颈现象的目的。

Main obstacle reasons in soil of succession planting vegetables in protected cultivation were reviewed from soil maleficent microorganism increment, soil-borne diseases and insect pests to aggravation, soil nutrient imbalance, soil hypo-salinization, soil acidification and plant autotoxicity.

0引言随着我国蔬菜生产的发展，设施蔬菜栽培面积不断扩大，由于设施栽培的特点是采用人工控制，使设施内部形成了一个特殊的生态环境，且多年连作和大量施用化肥，忽视有机肥使用等，使蔬菜生产出现了各种障碍问题，其严重影响了蔬菜生产和农民收益，并成为制约蔬菜生产可持续发展的瓶颈问题。

Utilizing Azolla to purify water body would be a new way to break the bottleneck of high-density and intensive aquaculture, so as to realize the closed aquaculture water recycling.

利用红萍净化水体将为解决高密度集约化水产养殖的瓶颈提供新途径，实现水产养殖用水的封闭循环利用。

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。