基本解释：准紧性
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By constructing the appropriate v function,the positive invariance properties and positive precompactness of a kind of nonlinear systems was proved,which is used to research the stability and the attractiveness,the criterion of the estimates of asymptotic stability domains was derived,the result of Liapunov asymptotic stability domains in previous document was improved.通过构造合适的v函数,证明了一类非线性系统的正不变性质和正准紧性质,利用该系统的正不变性质和正准紧性质研究了系统的稳定性和吸引性,得到了该系统渐近稳定域估计的判别条件,推广并改进了已有文献中Liapunov渐近稳定域的结果。
This paper studies in some conditions, z ∈ (E) is a complete distance space, standard compact, and compact.本文研究了在某些条件下，（Ｅ）是完备的距离空间、准紧的、紧的。
In this paper we consider that any bounded solutions u(x,t)of(1)～(3)has a precompact range of u(x,t) which is proved.Ｄｉｅｕｄｏｎｎｅ在文［１］中证明了（１）～（３）存在唯一解，本文证明了（１）～（３）的任何有界解都有准紧值域。
complete equipment for making standard fastener制造标准紧固件成套设备
His sinews stiffened themselves in tense readiness.在紧张的准备状态下他的肌肉绷得紧紧的。
emergency preparedness紧急状况的准备工作
be in readiness for an emergency做好应付紧急的准备
a close(ie exact)translatio紧扣原文的翻译（准确的）.
He tensed his muscles for the leap.他绷紧了肌肉准备跳跃。
Depositum miserabile危准寄托（=紧急寄托）
Emergency Logistics Authorization紧急后勤开支核准权
tautline position-reference system紧绳监测定位标准系统
emergency measures for extraordinary flood超标准洪水紧急措施
"She was close-very close",said the baronet, simply“她的手紧，真紧！”准男爵很直爽地答道。
"a faster car is following.(waved) a faster car behind is about to overtake, give way urgently."有车辆紧随。(挥动)紧随车辆准备超过,立即让道。
Firemen is ready at all times for a sudden turnout.消防队员时刻准备著紧急出动
As the time for the guests' arrival approached, the housewife hastened her dinner preparations客人快到了,主妇加紧准备晚餐。
That we arrive punctually is very critical there.我们准时到达那里是非常紧要的。
criteria for expedited processing of urgent claims紧急赔偿要求的快速处理标准
Request permission to cross your border in hot pursuit of Sam Boga.我是马上尉 请准许紧急追捕波哈
exercising in preparation for strenuous activity.为紧张活动而做的准备活动。
