It have also quined the finding that the beraking strength and the sonic modulus, increases, the compliance and the breaking elongation decreases as the sonic velocity orientation factor increases under otherwise equal condition.

• 同时还发现：真丝新材料的强度和声速模量都随大分子取向度的增加而增大，而柔量和伸度却随取向因子的增加而降低。