In recent years, in order to ensure the network teaching quality, there has been much evaluation about each parts of the network teaching system.
近年来，为了保障网络教学质量，许多人士对网络教学系统的各个组成部分进行了评价探讨。
In recent years, in order to ensure the network teaching quality, there has been much evaluation about each parts of the network teaching system.
近年来，为了保障网络教学质量，许多人士对网络教学系统的各个组成部分进行了评价探讨。
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