Along the process of improvement of it s designers, we give a description of and attack on their confusion layer, diffusion layer and key schedule algorithm.

Prohibit Confusion——Determine the Underline of the Scope to the trademark right;

Court of first instance s judgment is that the defendant infringed the plaintiff s exclusive right of trademark and carried out unfair competition,whose theoretical basis is still traditional theory of confusion.

However, China still protects them from the theoretics of the confusion though it has strengthened the protecti.

The paper introduces existing code obfuscation technology first,then analyzes two popular obfuscation technologies named opaque and control flow flattening,and finally explores some open problems and research trends on obfuscation.

They take various obfuscation techniques to hide themselves in order not to be statically analyzed.

This paper describes a design idea of conditional branches-based software watermarking,and applies obfuscation and tamper-proofing technology to enhance watermark s robustness during the process of implementing.

In opto electronic imaging systems, aliasing will occur when sampling a scene containing spatial frequencies exceeding one half of the sampling frequency.

The students of Music School may confuse these three forms when analyzing big music work.

This paper analyses preliminarily three outstanding and interrelated errors in Hetuvidyā research at present,that is,confused concept of genus and concept of species,argumentation and inference,and logic research and psychological conjecture;it clarifies the writer s views simultaneously,for the purpose of clearing up fallacy and causing the academic research more widespreadly and more profoundly.