two-frequency selection

A three-dimensional space model of the selection of technique innovation pattern in enterprise is presented, which is built up by means of SWOT and the two-dimensional SPACE coordinate.

在此基础上，创立了企业技术创新模式选择的三维模型，并对此模型的运用进行了详尽说明。

Based on the asymptotics of the test statistics, we further propose two easy ways to implement variable selection.

另外基于统计量的渐近性质，我们提出了两种非常简单的不基于模型假设的变量选择方法。

The two phases also include five main steps: E-mail pretreatment, text representation, feature selection, classified prediction, and evaluation of E-mail filter quality.

在各个阶段中主要包括五个主要步骤：邮件预处理，文本表示，特征选择，分类预测和评价邮件过滤质量。

She was put under house arrest two years ago but remained a powerful symbol in last year'selection.

虽然两年前就已遭软禁，她在去年的选举中仍然是势力强大的代表人物。

Two, economy is developed, theory of demand more and more abundant, But historical cost measure attribute eternal first-selection accountant measure theory of socialist market economy in our country.

企业经济活动越丰富多彩，对会计理论的需求也在不断创新，但是历史成本计量属性在会计领域的应用是永恒的。