可以在拍摄前使用一张中性灰色卡片放在一个稳定高度来设置曝光。
A neutral gray card may be used to set exposure at a consistent level before placing the subject in the scene.
通过试验得出无控制性结构面的边坡的极限稳定高度与坡角的关系大致满足马斯洛夫方程。
The relationship of gradient and corresponding critical slope height of the slope without significant constructional surface fits Masilofo equation.
身体感到热，可体温保持在升高后的新高度上差不多稳定不变。
The body feels hot and the temperature remains more or less constant at the new elevated level.
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