With the progress of the times, the number of college students is growing exponentially. But the students who enter the university are various and have their own advantages and disadvantages. Among them, the polarization of students' English level is particularly obvious and serious. Therefore, in view of the contradiction between "not enough to learn" and "unable to learn", this paper makes a preliminary exploration on the pragmatic acquisition mode of College English teaching based on multimedia and network social environment. This paper mainly discusses and analyzes the concept of pragmatic acquisition mode and about how to implement it in practical teaching. In addition, this paper is only for reference in the English teaching industry.
Background: The purpose of this single-center retrospective review was to validate the use of a software-based simulation of Tubridge flow diverter (FD) in the treatment of intracranial aneurysms. In a single-center cohort of 17 patients undergoing aneurysm treatment with the Tubridge flow divert, we analyzed their pre- and post-procedural angiographic studies to compare the manufacturer-given nominal length (NL), software calculated simulated length (SL), and the actual measured length (ML) of the flow divert using software. Results: Data for the 3 lengths of all 17 patients treated with Tubridge flow diverts were collected and analyzed in this study. Error discrepancy was calculated by mean squared error (ML to NL 10.64; SL to NL 9.95 p>0.05), mean absolute error (ML to NL 2.64; SL to NL 2.60 p>0.05), and mean error (NL to ML 1.26; SL to ML 2.59 p>0.05). Conclusions: The SL was usually greater than the NL given by the manufacturer, indicating significant change in length in most cases. The residual comparing the ML to the NL was significant, as was when comparing the SL to the NL. The assessment of the Tubridge flow diverter using software simulation is safe and effective and the accurate calculating of FD length contributed to the right-sized FD for optimal placement in intracranial vasculature.
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