Under certain condition, methane can reacts with SiO _ 2 or high vacuum grease, generating Mylar Polyster.

SiO2作掩模时,在一定的条件下, CH4会与SiO2或者真空硅脂发生反应, 生成聚脂薄膜.

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It is therefore concluded that a projection matrix can be computed through homography under certain condition.

通过这个原理就可以推导出投影矩阵在满足一定条件下可由单应矩阵得到.

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From the evaporation of water people know that liquids can turn into gases under certain condition.

人们从水的蒸发现象了解到,液体在一定条件下能变成气体.

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