So while PXI may be cheaper than VXI, it is not less expensive than traditional instruments.

所以尽管PXI可能会比VXI便宜一些，它却比传统仪器贵。

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This paper introduced feature and makes a comparison between PXI and LXI instruments modules.

文章介绍了LXI仪器的特点，比较了PX I仪器L XI仪器模块。

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PXI also requires a cardcage and MXI link, which equals about the cost of three basic instruments.

PXI也需要机箱和MXI LINK，那几乎等于三种基础仪器花费的总和。

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The PowerShares Dynamic Energy Fund (PXI) is a quant-driven fund that uses fundamental- and momentum-based factors to select and weight its holdings.

FORBES: Riding The Energy Bull With The Right ETF

It should come as no surprise then that PXI is up more than 11.5 percent this year alone, leaving competing funds in the dust.

FORBES: Riding The Energy Bull With The Right ETF

According to the ETF Finder at ETF Channel, TRGP makes up 1.60% of the Dynamic Energy Sector Portfolio ETF ( AMEX: PXI) which is trading relatively unchanged on the day Monday.

FORBES: Targa Resources Stock Getting Very Oversold