3d食物打印机可以方便地制作食物，就如同电邮和即时通讯工具可以使人们快捷地交流沟通。
3d printing will do for food what E-mail and instant messaging did for communication.
为学员与教员提供了信息交流的平台，方便学员与教员之间信息的传递和沟通。
It provides a communication platform for teachers and students and makes it convenient for them to communicate with each other.
具体的实现是构造一个留言板系统，能很方便的和同学沟通和交流。
Realizes in a specific way is to construct a message board system, can be very convenient with the classmate communication with exchanges.
具体的实现是构造一个留言板系统，能很方便的和同学沟通和交流。
Realizes in a specific way is to construct a message board system, can be very convenient with the classmate communication with exchanges.
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