杉木中伐材的物理力学性能不如天然林中伐材。
The physical and mechanical properties of middle cutting wood of Cunninghamia lanceolata are inferior to those from natural forests.
对铸造钛合金铸态组织的力学性能进行测试。
压缩性能是表征其力学性能的一个重要的指标。
Compression properties are an important guideline to characterize its mechanical performance.
分析、例举了预应力钢材力学性能试验中常见的误差！
The paper listed the common error in mechanical property test of PC steel products.
蒙脱土含量为5%的复合材料具有较好的综合力学性能。
MMT content of 5 percent of the composite material has good mechanical properties.
本文讨论了这种姿态控制系统的设计方法和动力学性能。
The design procedure and dynamic behavior of this system are discussed.
介绍桥梁缆索用镀锌钢丝力学性能计算中选择截面积的依据。
To introduce the basis of selecting section area in mechanical property calculation of steel wire for bridge cable.
目的：探讨不同混合比例聚甲基丙烯酸甲酯的力学性能差异。
OBJECTIVE: To explore mechanical property difference in the different mixing ratio of PMMA.
分析研究了高温作用下混凝土的力学性能与温度之间的关系。
The correlation between mechanical behavior of concrete and temperature was analyzed at elevated temperature.
聚丙烯；纳米氢氧化铝；红磷；表面改性；阻燃性；力学性能。
PP; nano-sized ATH; red phosphorus; surface modification; flame retardancy; mechanical property.
负泊松比多胞材料具有独特的力学性能，有着良好的应用前景。
Cellular materials with negative Poisson's ratio have unique mechanical performance and a promising prospect of applications.
研究了高c3s水泥系统和普通水泥系统的力学性能及干缩性能。
The mechanics and drying shrinkage properties of high C3S cement and popular cement systems were studied.
探讨了纤维含量、纤维类型对复合材料力学性能和微观结构的影响。
Influence of fibre content, fibre style on the mechanical properties and microstructure of the composites are discussed.
铸铁中石墨相的数量、形状、大小和分布对其力学性能有很大影响。
The quantity, shape, size and distribution of graphite in gray iron influences the properties of material.
脉冲发生机构速度波动的大小，显著影响无级变速器的动力学性能。
The impulse value of a impulse mechanism has a notable influence on the dynamics capability of impulse variable speed device.
研究了化学成份和热处理工艺对钢板力学性能和微观组织的影响规律。
The influence of chemical composition and heat-treatment on the microstructure and mechanical properties of the steel is investigated.
结果表明，当获得针状铁素体组织时，钢板具有最佳的综合力学性能。
The results show that the steel plate has excellent integrated mechanical properties, when it obtain the acicular ferrite.
研究了合金在真空烧结和热等静压烧结条件下的显微组织和力学性能。
The microstructure and mechanical properties of the alloy under the conditions of vacuum sintering and hot isostatic pressing sintering were investigated.
船用升降机动力学性能分析一直以来都是升降机领域的一个薄弱环节。
The dynamic characteristic analysis of ship lifter has always been a weak part of the lifter field.
研究了不同等温锻造温度对2b70铝合金显微组织与力学性能的影响。
The effect of isothermal forging temperature on microstructure and mechanical properties of2B70 aluminum alloy was studied.
采用理论与试验相结合的方法研究了这类材料的力学性能与主要失效方式。
The mechanical properties and failure patterns of the clad material are investigated with the method of experiment and theory.
由于良好的力学性能，钢管混凝土结构在土木工程中的应用已有上百年历史。
Because of good mechanical performance, concrete-filled steel tube structures have been used for hundreds years in civil engineering.
空气动力学性能是否能在飞机的尺寸和速度上按比例放大，则是另外一件事情。
And whether any aerodynamic effects could scale appropriately for aircraft sizes and speeds is another matter.
这种车把具有向前伸出的扶手，让车手身体降低、达到更好的空气动力学性能。
A handlebar that juts forward so that the rider can assume a low profile for better aerodynamics.
等径弯曲通道变形（简称ECAP）具有获得超细晶组织和改善力学性能的潜力。
The equal-channel angular pressing (ECAP) had achieved the potential for obtaining ultra-fine grain and improving mechanical properties.
另一方面易于生物降解脂肪族聚酯的，但缺乏很好，在大多数应用中的关键力学性能。
Aliphatic polyesters on the other hand are readily biodegradable, but lack good mechanical properties that are critical for most applications.
即便当渣含量达20%- 30%时，制成砖并未显示出有用力学性能的损失，同样也没有产生裂纹。
Bricks show no loss of useful mechanical properties even when 20-30% of their content is slag. Nor do they leak.
试验结果表明，添加聚丙烯纤维有助于改善材料的模压性能，但导致材料物理力学性能下降。
The test results showed that adding virgin PP fiber could improve molding performance of the composite, but made the physical mechanical properties reduced.
试验结果表明，添加聚丙烯纤维有助于改善材料的模压性能，但导致材料物理力学性能下降。
The test results showed that adding virgin PP fiber could improve molding performance of the composite, but made the physical mechanical properties reduced.
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