Process synchronization is an emphasis and difficulty in the teaching of operating system course.
在操作系统课程的教学中，进程同步是其中一个重点，也是难点。
What was the biggest difficulty/challenge/the most impressive thing in your teaching (practice)? How did you solve it?
教学/实习上遇到的最大困难/挑战/印象最深刻的事？如何解决？
Generating special square matrixes is a difficulty in programme language teaching.
特殊方阵的生成是程序设计语言教学中的难点。
It is a difficulty in organic chemistry teaching.
同时也是有机化学教学中的一个难点。
Teaching; The difficulty lives; Transformation.
教学；困难生；转化。
Fifth, level-teaching brings difficulty to teaching management and teaching practice.
第五，分层教学给教学管理和教学实践带来难度；
Chinese character is the key as well as the difficulty of Chinese teaching.
汉字是汉语学习的重点也是难点。
From the teaching form, the tradition imparts guarantees the teaching effect completely with difficulty.
从教学形式上来说，传统的面授难以满保证教学效果；
From the teaching form, the tradition imparts guarantees the teaching effect completely with difficulty.
从教学形式上来说，传统的面授难以满保证教学效果；
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