The lowest level of lead that can be practicably obtained in lipstick is non-detectable, according to our test results. 但根据我们的测试,在唇膏中可以被测到的最低含量是零含量。
Protocol on Non-Detectable Fragments ( Protocol 1) 关于无法检验的碎片的议定书(第一议定书)
This thesis mainly research on digital image completion, which is a work of filling in missing or damaged portions of the image according to known image information. Its objective is to make the completion non-detectable for an observer who does not know the original image. 本文主要研究数字图像修补技术,它是根据图像已知信息对图像上信息缺损区域进行信息填补的过程,其目的是使观察者无法察觉出图像曾经缺损过或己被修补好。