However only steady and mean flow state have been studied for a long period of time.

在很长的一段时间内，人们对上述流态的了解仅限于定常的或时间平均的流态。

youdao

Results: There was no recurrence or tumor metastasis at a mean flow-up of 10 months.

结果：本组术后无外科并发症，平均随访10个月，无局部复发和肿瘤转移。

youdao

The variation of mean flow stress of two kinds of low carbon steel rolled in Angang 1780 finishing mill were analyzed.

本文分析了鞍钢1780生产的两种低碳钢在热连轧过程中平均流变应力的变化。

youdao

Yet that would not mean any sudden flow of weaponry.

ECONOMIST: Argentina and Britain

Murchie avoids MLPs whose reported earnings don't exceed their dividends--even though industry executives protest that earnings mean less than cash flow, or earnings before depreciation and other noncash charges.

FORBES: Magazine Article

But does this mean that important messages will flow past never to be seen again?

BBC: Clash of the titans: Email v social media