In this paper, by using the method of matrix structural analysis, the static stiffness model are derived from researching BKX-I varied-axis NC machine tool.

文章以BKX - I型变轴数控机床为研究对象，利用矩阵结构分析法建立了变轴数控机床的静刚度计算模型。

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The KBW Bank Index /quotes/comstock/10w!i:bkx (BKX 50.15 , -0.82, -1.61%) , which tracks large-capitalization banks, is up 40% in the past year and down about 12% since mid-April.

追踪大市值的银行的KBW银行指数在去年上涨了40％，但是，自4月中旬起却下跌了12%。

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All of the other banks in the BKX are rated a HOLD according to ValuEngine.com.

FORBES: Bank Stocks: Too Big To Fail But Too Risky To Buy

The only component in the BKX rated a SELL according to ValuEngine.com is Bank of America ( BAC) The stock is down 30.5% over the past twelve months.

FORBES: Bank Stocks: Too Big To Fail But Too Risky To Buy

Without a BUY rated stock in the BKX and with 19 of the 24 banks projecting slightly lower stock prices a year from now, regional banks should continue to lead stocks lower and will likely lag when stocks move higher.

FORBES: Bank Stocks: Too Big To Fail But Too Risky To Buy