free face

基本解释

Something else she's feeling: the line-free face of one of her Hollywood peers.
她感受到的其他东西：她的好莱坞一线同行没有皱纹的脸。
Planar ray theory is used to deduce the analytic solution of the elevation amplification effect on a single-free-face slope in seismic engineering.
利用平面射线理论和方法，推导出单面边坡地震的高程放大效应理论解，可用于描述边坡临空面对地震波的反射，反映边坡的高程放大效应。
The experimental results have shown that the modern vibration-free face-milling cutter can not only reduce vibration and noise but also increase the surface finish quality and tool life.
试验结果表明，这种新型减振端铣刀不仅可以减少振动和噪声，而且还可以提高表面加工质量和刀具寿命。

To finish the look, his tidy mustache and makeup-free face communicate inner pain and attrition, if not overt repentance.
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Monthly face-to-face meetings, free lunches, a Culture Manager and a plethora of benefits help to cement the sense of belonging.
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Perhaps a few of the less prominent prisoners will be quietly set free after a face-saving interval.
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临空面
For high rock slopes, especially with the long and huge joints developed, the failure of rock mass is always caused by the cutting of discontinuities and free face.
在岩质高边坡，特别是长大节理发育的岩质边坡中，岩体的失稳破坏常常表现为由几组结构面和临空面切割的岩块失稳。
物理学
自由面