Fund managers that are judged against a benchmark where Apple is heavily weighted, like the NASDAQ 100 or the SP 500 technology index, have to scramble to keep a heavy exposure to Apple.

基金经理的业绩基准如纳斯达克100指数、斯史坦普500股价指数，受苹果影响是很大的，因此他们争先恐后的重仓持有苹果股票。

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Method: The sections of glial tumors of 51 patients were stained by SP immunohistochemistry, and examined with true colour image analytic system, and calculated with index of PCNA.

方法：对51例神经胶质细胞瘤作sp免疫组化染色，并以真彩色图像分析系统检测，结合PCNA指数计数分析。

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SP AA gun system efficiency assessment was based on grey correlative projection method. The assessment model was established by making use of scheme volume, index volume, property matrix.

基于灰色关联投影法的自行高炮武器系统效能评估，利用方案集、指标集、属性矩阵等初始条件。

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