Because P and S waves travel at different but fairly constant speeds, the interval between their arrivals increases in proportion to the distance from the earthquake focus, or initial rupture point.
由于P波和S 波以不同但相当恒定的速度传播，它们到达的间隔与到震源或初始破裂点的距离成比例地增加。
An earthquake's point of initial rupture is called its focus or hypocenter.
据我国地震台网的初始破裂点的是所谓的重点或震源。
Scientists have found a way to estimate an earthquake's ultimate strength by analyzing the initial seconds of a rupture -- a step that could one day provide early earthquake warning.
美国研究人员最近发现了通过分析地震发生之初的前几秒的震波大小，便可以断定出地震最终强度的方法，从而为未来总有一天能够早些提供地震警报迈出了一步。
An earthquake's point of initial ground rupture is called its focus or hypocenter.
对于同样大小的地震，由于震源深度不一样，对地面造成的破坏程度也不一样。
The bundle tensile testing (SIROLAN - TENSOR) is used to identify damages of strength, strain, rupture work, and initial modulus of tops before and after dyeing.
采用束纤维强伸性测量方法(TENSOR)，能快速准确地给出毛条染色前后的强度、伸长、断裂功的护伤。
Results show that yarns sized by sizes with films of higher breaking elongation and specific work of rupture and lower initial modulus have better abrasive resistance and weaving performance.
研究结果表明，浆膜断裂伸长率和断裂比功大的。拉伸模量小的浆料上浆的浆纱耐磨性较好，织造性能也较比良。
Results show that yarns sized by sizes with films of higher breaking elongation and specific work of rupture and lower initial modulus have better abrasive resistance and weaving performance.
研究结果表明，浆膜断裂伸长率和断裂比功大的。拉伸模量小的浆料上浆的浆纱耐磨性较好，织造性能也较比良。
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