effective span
英 [ɪˈfektɪv spæn]
美 [ɪˈfektɪv spæn]
有效跨度；有效跨距；计算跨度
双语例句
- 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 author suggests that people who use "key journals" should dialectically analyze the theoretic effective time span and the practical effective time span.
人们认识和使用核心期刊应辩证地看待原则有效时域和实际有效时域。 - Section model wind tunnel test is one kind of effective method to estimate vortex-induced vibration ( VIV) response of long span bridge girder.
节段模型风洞试验是预估大跨度桥梁主梁涡激振动响应的有效途径之一。 - Constant-stress accelerated life test is a kind of effective and economic trial method in the product life span experiment.
恒定应力加速寿命试验是产品寿命试验中一种有效的、经济的试验方法。 - Therefore, it is extremely important to investigate pathogenesis and search new target of prevention and therapy and effective drug in gastric carcinoma for decreased morbidity and mortality, increased survival rate and prolonged life span of gastric carcinoma patients.
因此，探讨胃癌的发病机制，寻找新的预防和治疗靶点以及有效的治疗药物，对降低胃癌发病率和死亡率，提高生存率和延长患者的寿命，将有十分重要的意义。 - This paper proposes the notion of even effective width that can be used into imitation when plane rod finite element method is used to analyze long span bridges.
并提出了桥面板平均有效宽度的概念，可为平面杆系有限元进行大跨度桥梁计算时提供参考。 - 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。 - 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。 - Application proves that the structure is an effective, economic, safe and novel large span bearing structural system.
实践证明该结构是一种高效、经济、安全、新颖的大跨空间承重结构体系，值得进一步研究推广。 - The process of detection-assessment-repairing and reinforcement is an effective operational chain to assure the integrity of the pipelines. The technology of repairing and reinforcement for pipelines is one of the most important ways to assure their integrity and prolong their operational life span.
管道进行检测-评估-维修补强是保证管道完整性的一个有效的作业链，管道维修补强技术是保证管道完整性和延长管道使用寿命的重要手段。 - CONCLUSION: hTERT is effective in prolonging life span of transfected osteoblast, preventing cell aging and maintaining the functional characteristics of osteoblast.
结论：经hTERT稳定转染的成骨细胞，能有效的延长成骨细胞的寿命防止细胞老化，并保持成骨细胞的功能特性。 - In this paper, the influences on the effective width of some important factors such as span, spacing and thickness of flange plate are analyzed by Finite Element Analysis ( FEA) and the suggestions for further researches are proposed.
本文通过建立简支组合扁梁的有限元模型，分析了组合扁梁的跨度、梁间距、翼缘板厚度等因素对组合扁梁有效宽度的影响并对进一步的研究提出了建议。 - The technology of external intensification is an effective way to improve the external rigidity of mould and prolong the using life-span. The method of PCVD has many merits, such as, lower technical temperature, good uniformity, and strong binding force in plate.
表面强化技术是一种提高模具表面硬度，延长使用寿命的有效方法，其中PCVD法具有工艺温度低，均镀性好，镀层结合力强等优点。 - Thus, what the central government should do is to find an effective and efficient national income re-allocation system to control the span of these gaps and to secure the stability of the society.
政府的作用空间就是通过建立有效的国民收入再分配体系，不使这些差距过大，不影响整个社会的稳定。 - In addition, the relationship between the effective acting span of wave stress and the initial damage in terms of equivalent stress was derived.
给出了有效作用范围Lp与围岩初始等效应力p之间的经验关系。 - The precision of measurement is in direct proportion to the effective index and spatial period of the FBG, and also the thickness of the girder, but in inverse proportion to the square of span of the girder.
理论推导和试验数据均表明，该方法的测量精度与FBG的有效折射率、空间周期和梁的厚度成正比； - Identifying the locations and sizes of voids, and taking effective repair measures are of great importance to enhance the serviceability, elongate the life span of rigid pavements.
如何准确判断脱空的位置及大小，并及时采取有效的修复措施，对提高刚性路面的使用性能，延长路面结构的使用寿命具有重要意义。 - With the development of remotely collaborative experiments, an effective method is provided for us to study the performance of long span and large scale structures under earthquake excitations by testing.
结构远程协同试验为开展大跨度、大尺寸桥梁结构的整体抗震性能研究提供了一种方法。 - And the influence on fire resistance controlled by deflection of the slabs are explored and discussed, including effective span, concrete cover thickness, load level, prestress degree, effective prestress, composite reinforcement index and so on factors.
分析了计算跨度、预应力筋保护层厚度、荷载水平、预应力度、有效预应力、综合配筋指标等参数对有粘结预应力混凝土简支板由变形控制耐火极限的影响。