The owner shall not request that the network service provider delete the work, performance, or audio-visual recording, or disconnect the link to the work, performance, or audio-visual recording.

Therefore, it is necessary to discuss the characteristics and presentation of the composition of visual recording and the operation techniques related to the composition of criminal visual recording.

Under different pressures the flashing in riser of natural circulation system and its effect on flow stability were studied by the method of visual observation in synchronism with data recording.