By using a six-layer model, the stabilities of MD type spiral sector transition region in the interplanetary magnetic field are discussed.

本文采用六层模式，讨论了MD型行星际磁场螺旋扇形过渡区的稳定性。

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By using a four-layer model, the stabilities of ME type spiral sector transition region in the interplanetary magnetic field are discussed.

本文利用四层模式，讨论了ME型行星际磁场螺旋扇形过渡区的稳定性。

youdao

If confidence can be restored in that sector of the market, maybe the negative spiral can be broken.

如果在市场这个部分能够恢复信心，也许就能够冲出恶性循环了。

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Every month this year more than 2 million people filed an initial claim for benefits, reflecting a staggering downward spiral in private-sector employment to only 108 million, 7.5 million off the peak.

FORBES: Seriously Off Track

The problem with suing banks for billions, some argue, is that the settlements could push them over the edge sending their stocks into a downward spiral as investors flee the sector.

FORBES: Banks Face Painful New Mortgage Lawsuits, U.S. May Seek Up To $30 Billion In Losses

Given that public sector costs and prices tend to spiral upwards, we are going to be hearing a lot more about "efficiency" - how to make the money go much further.

BBC: Analysis: Combination of cuts could be explosive