求翻译：本部门以制定2012第三季度的销售计划。将于2012年6月20日下午1：00在会议室开会，讨论这一计划。并希望各部门经理前来参加。如不能到会，请提前告知本部门秘书。是什么意思？

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In 2012 the Department developed the q3 sales plan. Will the June 20, 2012 at 1:00 p.m. in the conference room to discuss the plan. And we hope that the department managers to attend. If unable to be here, please inform the Department ahead.

This department formulates 2012 third quarter sales plans.In the afternoon 1:00 will hold a meeting in June 20, 2012 in the conference room, to discuss this plan.And hoped various departments manager comes to participate.If cannot attend a meeting, please ahead of time inform this department secreta

To develop the 2012 third-quarter sales in this sector. On June 20, 2012, there will be a meeting to discuss the plan. And hope that the sector managers to attend. If you cannot attend, please inform the Secretary of the Department in advance.

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