Standard test method for measurement of smoke obscuration using a conical radiant source in a single closed chamber , with the test specimen oriented horizontally .
使用单独密闭室圆锥形辐射源和水平导向试样测量烟雾朦胧的试验方法。
Therefore , we must constantly repent , or we will [ long be submerged in the sea of suffering ] due to obscuration .
说起来,我们应该要好好、时时说忏悔,要不然,我们「长沦苦海」就是因为覆藏。
Conduct regular safety patrol , find out any obscuration of accidents , take necessary measures and report to higher level on time .
定期对饭店进行安全巡视,及时发现隐患,及时上报并采取措施。
Humans free themselves from the obscuration , barbarism and war .
人类摆脱蒙昧、野蛮、战争。
Perhaps the light cannot illuminate you , but makes you to be more obscuration .
灯光也许并不能把你照亮,也许反而会显得你更加暗淡了。
The period of time during which such an obscuration occurs .
蚀的发生期:这种天体变暗发生的时间。
Standard test method for measurement of smoke obscuration using a conical radiant source in a single closed chamber .