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

这意味着系统的性质，用以描述系统的性质，不随时间或空间改变。

youdao

You can no more change events in your past in a space-time with closed timelike curves than you can change events that already happened in ordinary space-time, with no closed timelike curves.

对发生在过去的一个封闭的时间型曲线时空里的事，你不可能改变。这就类似于说，在没有封闭的时间型曲线的平常时空中，你能改变已经发生的事。

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Observation the space-time change of cortex nerve stem cell in newborn rat orientation differentiation to cholinergic neuron by cell cultured and immunocyte chemistry methods.

方法采用细胞培养技术、免疫细胞化学方法观察新生大鼠皮层神经干细胞向胆碱能神经元定向分化的时空变化。

youdao

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。

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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.

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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.

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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.

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