车身单体(包括基本车身和底盘)采用了强度高而质量轻的复合材料技术制造。
The monocoque (the basic body and chassis) is built using tough but light composite technology.
实验中应用的混凝土的强度等级分别为C20和C60，其中粉煤灰的掺量(胶凝材料的质量分数)分别为未掺、10%、20%、30%、40%。
In the test, the strength grade of concrete is C20 and C60, and the cementitious system contains 10%, 20%, 30% and 40% of fly ash in accord with weight.
条件A的材料可以通过冷拔来控制大小尺寸和表面质量，或两者。可稍微提高抗拉强度。
Material in Condition a may be given a final cold drawing for size control or finish, or both, slightly raising tensile strength.
本文研究的结果对脆性材料强度指标选择和生产厂家控制材料质量方面有重要的参考价值。
The result of this work is important for to choose the strength index of brittle materials and to control the quality.
综合考虑了接触线应力集中系数、尺寸系数、表面质量系数和材料疲劳强度的影响，得到了接触线疲劳极限的统计特征。
Statistical characteristic of fatigue strength of contact wires was obtained by comprehensively considering such coefficients as stress concentration, size and surface quality.
综合考虑了接触线应力集中系数、尺寸系数、表面质量系数和材料疲劳强度的影响，得到了接触线疲劳极限的统计特征。
Statistical characteristic of fatigue strength of contact wires was obtained by comprehensively considering such coefficients as stress concentration, size and surface quality.
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