The distribution in discharge space, time change of electric field intensity, electron and ion density and the current density are calculated.

分别计算和分析了介质阻挡放电中电场、带电粒子浓度以及电流密度在放电空间的分布和随时间的演变过程。

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Using monitored data of air sulphation speed for 1989-2003, the space-time change in (Xi 'an) City is analyzed.

依据1989—2003年监测数据，分析了西安市大气中硫酸盐的时空变化。

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Analysis of space-time change of land use in Jingyan County.

井研县土地利用时空变化分析。

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It means that the properties of the system, the properties that describe the system, don't change in time or in space.

它的意思是指，用以描述系统的性质，不随时间或空间改变。

麻省理工公开课 - 热力学与动力学课程节选

It will demand the courage to create the time and space to have a conversation about what needs to change so they can accelerate their strategies toward success.

FORBES: The Disastrous Effects of a 'Mostly Aligned' Executive Team

Thus there is time for three more meetings before the American space agency's probe could discover anything that might warrant a change of mind.

ECONOMIST: Forbidden planet | The

We do, however, believe that there is time and space to pursue diplomacy, to pressure the Iranian regime, to sanction it further to get it to change its behavior.

WHITEHOUSE: Press Briefing