In Type 3 situations, there are few alternatives, but the ability to switch without difficulty creates a threat that companies can use to negotiate concessions from existing suppliers.
The department will make sure that newly launched satellites don't use radio frequencies that would interfere with existing satellites,and schedule when such new satellites can be launched.
该部门将确保新发射的卫星不使用会干扰现有卫星的无线电频率，并将安排新卫星的发射时间。
3
The department will make sure that newly launched satellites don't use radio frequencies that would interfere with existing satellites, and schedule when such new satellites can be launched.