The curriculum of teachers' educational method and skill, which should be enriched and improved urgently in our country, is at the core of the curriculum structure of teachers' education.
教育方法技能类课程在教师教育课程结构中处于核心地位，但也是目前我国教师教育课程中亟待充实和完善的部分。
An incremental updating approach to computing a core is presented based on the improved binary discernable matrix and the method for computing the core.
针对目前求核方法存在的问题，基于改进的二进制可辨矩阵及属性核计算方法，提出核属性的增量式更新方法。
By using the method, the core pulling efficiency for the slender composite pipe can be remarkably improved, and the production cost can be reduced.
利用本发明方法，可显著地提高细长复材管件的抽芯效率，降低生产成本。
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