Objective To seek for a more simple, economical and practical method of preservation of strains by means of comparison of paper method and CRYOBANK preservative tube method.
目的为寻找一种较为简便经济实用的临床菌种保存方法，对纸片法与CRYOBANK菌种保存管法进行比较。
The improvement of teaching quality has various factors. Thus, how to seek for scientific and objective, simple and practical evaluating content, methods and standard shall be considered carefully.
本文就教师授课指标体系进行专题探讨，找出影响教学质量的主要因素和内在联系，作为评价教师授课质量的客观依据。
The improvement of teaching quality has various factors. Thus, how to seek for scientific and objective, simple and practical evaluating content, methods and standard shall be considered carefully.
本文就教师授课指标体系进行专题探讨，找出影响教学质量的主要因素和内在联系，作为评价教师授课质量的客观依据。
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