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1·The effects of span length, lateral rigidity of girder, and different analysis model are discussed.

讨论了桥长、主梁横向刚度、不同计算模型等因素对简支梁桥横向地震反应的影响。

2·Some fiber qualitative characters such as 2.5% span length, tenacity and length uniformity were improved.

并改善了棉纤维2.5%跨距长度、比强度和整齐度等品质性状。

3·Presents the strength reduction calculating method of the tension bar when the minimum span length is not sufficed.

同时给出了当构件跨度不满足最小跨度要求时受拉钢筋强度折减的计算方法。

4·In the modern traffic system, the suspension bridge scheme which has the long span length is thought more and more important.

在现代交通体系中，大跨径悬索桥方案越来越被人们所重视。

5·To exert the strength of the reinforcing bar when the member broken, puts forward a means in measurement of the minimum span length of simple flexural member.

为使构件破坏时充分发挥钢筋的强度，提出了简支受弯构件最小跨度的确定方法。

6·On similar projects, with 50m span length (single spans, cantilevering 1/5), the cycle time is usually approx. 10 - 12 days without steam curing, reinforced in-situ by hand.

类似项目50米跨（单线，1/5悬臂）没有使用蒸汽养生和预制钢筋笼，一个工作循环为10-12天。

7·The study shows that shortening the span length can effectively reduce the transverse vibration amplitude of synchronous belt and can avoid possible resonance region of synchronous belt.

结果表明，减小同步带跨度既可以有效减小同步带运动过程中横向振动幅度，又可以使同步带运动有效避开正时传动机构可能的共振区。

8·In this paper calculating method of lead angle of helical gear by measuring span length of length bar and base tangent length is put forward and lead angle calculating formula is deducel.

分析齿轮主要参数，提出用测量跨棒（）和公法线长度计算斜齿圆柱齿轮螺旋角的测绘方法，并推导出螺旋角的计算公式。

9·The calculation models of curved beam Bridges with same span length, but different curvature radius, center angles and supporting forms are established by means of finite element software.

利用有限元软件，建立了跨径相同、曲率半径和圆心角以及支撑形式不同的弯梁桥计算模型。

10·With the increases of the span length and the complexity of the structural style, the research on the construction control technology of such structure is becoming more and more important.

随着对斜拉桥跨径的增大的要求以及复杂多变的结构形式的应用，斜拉桥施工控制技术的研究愈发显得迫切和重要。