When the experimental load of the nondestructive test reaches 1.5 times of the designed value, the joint is safe and reliable.
非破坏试验的试验荷载为设计值的1 5倍时，节点安全可靠。
Experimental results indicate that the sleds launch successfully, move placidly and the measure value of velocity accord with the theoretic one well, which enable us to carry the sled test primarily.
试验结果表明，火箭橇发射顺利，运行平稳，测试结果与理论计算值符合得较好。
The experimental result indicated that: in stretch process, in identical test specimen the strain value on metal substrate and contact surface are same, the mark is opposite.
实验结果表明：在拉伸过程中，同一试样中金属基体上和界面上的应变数值相同，符号相反。
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