unrecognizable

adj.

（人或事物）变得[损坏得]难以辨认的，无法识别的；

1. He was unrecognizable without his beard.
   他刮掉胡子，无人认得出他了。
2. The requested backup file is unrecognizable and cannot be read.
   要求的备份文件不可识别,无法读取。

Deep neural networks are easily fooled: High confidence predictions for unrecognizable images
Deep neural networks are easily fooled: High confidence predictions for unrecognizable images
Method for identifying unrecognizable characters in optical character recognition machines
Specific dermoscopy patterns and amplifications of the cyclin D1 gene to define histopathologically unrecognizable early lesions of ...
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Unrecognizable Sets of Numbers
Gigi Hadid looks unrecognizable on Vogue Italia's latest cover — and some people are accusing both her and the magazine of blackface
Wall architecture in the cellulose-deficient rsw1 mutant of Arabidopsis thaliana: microfibrils but not microtubules lose their trans...
Visual object priming differs from visual word priming: an ERP study
Practical cone-beam algorithm