该内应力由环向应力和轴向应力构成，据此推导出了焊缝处的合成应力。
The internal stress is consisting of circumferential stress and axial stress, from which the compound stress of the weld seam is derived.
这些团队为轻比重的合成材料结构、耐热和耐应力的发动机材料、有助于实现其设想的空气动力学模型提出了不同的改进建议。
The teams recommended a variety of improvements in lightweight composite structures, heat- and stress-tolerant engine materials, and aerodynamic modeling that can help bring their ideas to reality.
研究了直流等离子体化学汽相沉积（CVD）法合成的金刚石膜内应力随甲烷浓度、沉积温度的变化关系。
The internal stress in diamond thin films deposited by DC plasma CVD was studied as a function of methane concentration and deposited temperature.
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