desktop communication造句

• The exercise was conducted simultaneously in the three places this morning and a total of about 40 public health professionals participated in this desktop communication exercise through channels such as telephone , facsimile , email and so on
  演练今早同时在内地港澳三地举行，约有40名公共生专业人员通过电话，传真，电子邮件等进行桌面与通讯演练。