查询词典 seism

With the development of technology and transportation enterprise, the continuous rigid frame bridges develop rapidly and grow towards long span and more flexibility. It makes the analysis of the stability, temperature and seism more important.

近年来，随着科学技术和交通事业的发展，连续刚构桥也因此被广泛应用而发展起来，并逐步向大跨、轻柔方向发展，这样使得结构的稳定问题、温度问题、抗震问题日益突出。

Four active periods and four quiet periods of the seism have been formed from the 22 year cycle since this century.

云南在地震活跃期中，大震的时间间隔有逾来逾缩短的趋势，其遵循Tx＝△T1／2的方幂规律演化。

Explains the application effect and loess's burram's charcteristic on the time's profile of seism 's wave.

说明其应用效果与黄土洞穴在地震波时间剖面中的反映特征。

The vertical ground acceleration caused by the seism of the gr ound and the nearground surface explosion is studied experimentally.

对地面和地面以上爆炸地震引起的地面竖向振动加速度进行了实验研究。

Rockburst is a mine seism that is caused to happen by mining, it is one of natural calamities. It is a dynamic phenomenon, the coal and rock mass or fault in high stress area releases a large of energy when it is disturbed and instability destroy instantaneously, and its characteristic is volcanic shake and explosive destroy.

冲击地压是采矿诱发的矿井地震，是矿井的一大自然灾害，是指矿井高应力区内煤体、岩体及断层在受外界扰动瞬间失稳破坏时，释放出很大能量而引起的以猛烈震动和爆发式破坏为特征的矿山动力现象。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。