Hoerner wing tips provide the largest effective span for a given geometric span or a given wing weight.
霍纳翼尖翼提供给定的重量最大有效跨度为给定的几何大跨度或。
The result of the practical test showed that the technique was a effective way to solve the problems of high stress road and large span intersection supporting.
工程实践表明，该技术是解决深井高应力软岩巷道、大断面交岔点等支护难题的有效途径。
The actual time span for the oldest effective source beds, both oil and gas, actually may be much greater.
最老的有效烃源岩的油和气的实际排烃时间，实际上可能大得多。
The adoption of reinforced concrete stiffened-beams and stiffened-columns has been the effective measure for construction of a big span structure.
采用劲性混凝土梁柱，是建造大跨度结构的有效措施。
Through seismic analysis of large span continuous rigid frame bridge in intense earthquake area under rarely strong earthquake, this paper offers an effective ductility design method.
本文通过对于高烈度地震区大跨度连续刚构桥在罕遇地震下的抗震分析，提供了一种有效的延性设计方法。
The results show that the method is effective to study the wind-induced response and ESWL of large span roofs, by taking into account of multi-mode vibration of the structures.
结果表明本文方法能够有效地分析大跨度屋盖结构的风振响应和等效静力风荷载，能够解决大跨度屋盖结构中多振型参与振动这一主要问题。
Some effective measures were presented to solve bigger prestress loss of mid span in overlong frame and it is suggested that prestressed reinforcement with curve linetype …
在次梁与板中为有效利用无粘结预应力筋，建议在板厚许可的情况下尽量采用曲线形预应力筋。
To use Eye-tracking system is one of the effective methods to explore the perceptual span in reading.
利用眼动仪作为研究工具已成为研究阅读知觉广度的有效手段之一。
Through over-all stability analysis, the influence of height-span ratio, rafter slope to the stability and the effective factors of gable portal frames are also presented in this paper.
通过对门式刚架的整体稳定分析，研究了刚架的高跨比、斜梁坡度对结构的稳定和计算长度系数的影响。
The crack of cement concrete pavement is one of common-seen hazards. It has greatly shortened the effective life-span of the expressway and brought the hidden danger to traffic safety.
泥混凝土路面裂缝是高等级公路路面易出现的一种破坏现象。它极大地缩短了高速公路的有效寿命。并给行车安全造成了隐患。
The equivalent static wind loads (ESWL) provide an effective approach to deal with the spatiotemporally varying wind loads for structures with long span roofs.
大跨度屋盖结构等效静力风荷载中的共振分量确定，包括对结构共振响应的准确计算以及如何将其等效为静力风荷载这两个主要问题。
Therefore, it is necessary to study and master the seismic response of long span bridges in order to establish reasonable seismic design system and take effective anti-seismic measures.
因此，研究掌握大跨桥梁的地震反应是建立合理抗震体系和采取有效抗震措施的科学依据。
In order to make the hearth and hearth bottom have the same life-span as that of blast furnace, one of effective measures is to form a layer of slag-metal skull on the hearth and hearth bottom.
实现高炉炉缸、炉底与高炉寿命同步的措施之一就是在高炉炉缸和炉底冻结一层渣铁壳。
In recent years, the effective design method that small-span-to-depth-ratio coupling beams in coupled walls improve seismic resistance behavior is discussed in home and abroad.
为此国内外近年来均在探讨联肢墙小跨高比连梁改善抗震性能，特别是改善抗震抗剪性能的有效设计方法。
The results of this thesis show that complex method is feasible and effective to optimize dampers'parameters in the vibration control of long-span spatial structures.
结果表明：复形法对阻尼器在大跨空间结构减震控制中的参数优化是可行的，且取得了很好的效果。
The results of this thesis show that complex method is feasible and effective to optimize dampers'parameters in the vibration control of long-span spatial structures.
结果表明：复形法对阻尼器在大跨空间结构减震控制中的参数优化是可行的，且取得了很好的效果。
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