查询词典 foreshock

The largest values of deceleration and deflection are, respectively, estimated as 10 km/s and 3°. These decelerations and deflections not only lead to a variation of the magnetopause′s position and shape, but also supplies a possible generation mechanism of the diffuse ions in the foreshock region.

太阳风减速和偏转，以及随之变化的太阳风动压，可能会引起地球磁层顶位置和形状发生改变，同时也为激波前兆区弥散离子的起源及加热提供了一种可能的机制。

The Menglian earthquake, a foreshock mainshock aftershock sequence, occerred in 21°59′N; 99°04′E at 05∶46′41 2 on ...

孟连地震是一次前震—主震—余震型地震，发震时刻为1995 年7 月12 日05 时46分41－2 秒；震中为北纬22－0°、东经99－3°。

On 4 February 1975 (during the relative foreshock quiescence), Zhu of the provincial Earthquake Office in Shenyang, when answering the phone and listening to reports,"estimated that a large earthquake might occur."

下午2：40时∶在鞍山地震办公室的日志中有一个记录〔6-5〕∶1975年2月4日下午2：40〔前震活动相对平静期间〕，在沈阳的辽宁省地震办公室的朱〔凤鸣〕，在回答电话和听取报告时，"估计一个强震可能发生"。

Through comparison and analysis, the major different factors of the casualties for these two extremely similar earthquakes occurred in Yunnan are found out. The early-warning foreshock (or short-impending prediction) is the most important factor in reducing the casualties. The area size in high intensity is the most vital factor to casualty.

通过对比分析找出云南两次相似大震人员伤亡的主要差异因素：预警型前震是减少地震人员伤亡的最重要因素；高烈度区面积大小是影响人员伤亡的最重要因素。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。