但是，等他拿到亚马逊给阅读器搭配的皮套，将其打开的时候，对开的皮套和《连线》杂志大小差不多一模一样。
But then he took the leather binder that Amazon sells to cover the reader and flipped it open. The folio fit the open pages of Wired almost precisely.
针对开关磁阻电机存在磁场严重的非线性且数学模型不精确等问题，提出了一种滑模变结构控制方法。
Aimed at the nonlinear magnetic field and the imprecise model of switched reluctance motor, the variable-structure control method with sliding mode is presented.
针对开关磁阻电机存在磁场严重的非线性且数学模型不精确等问题，提出了一种滑模变结构控制方法。
Aimed at the nonlinear magnetic field and the imprecise model of switched reluctance motor, the variable-structure control method with sliding mode is presented.
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