Then on the digital phase shifter phase-shifting principle this paper carried out a brief description of the digital phase shifter and introduces the important technical indicators and classification.

接着对数字式移相器的相移原理进行了一个简要说明，介绍了数字式移相器的重要技术指标、分类。

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The generous bonus depreciation and small business deduction rules begin to drastically phase out in January 2012, which will likely cause a dramatic reversal in investment and other indicators.

FORBES: Depreciation Rules, Investment Swings And Rescheduled Economic Growth