问题
单项选择题
在新建站开通时,后台测试RSSI值为-120dBm,应该判别为下面哪种情况()。
A、外部干扰
B、内部干扰
C、设备故障
D、没有连接天馈
答案
参考答案:C
在新建站开通时,后台测试RSSI值为-120dBm,应该判别为下面哪种情况()。
A、外部干扰
B、内部干扰
C、设备故障
D、没有连接天馈
参考答案:C
Choose and fill in the blanks. 选择适当的词组填空。 | |
2. is the temperature in summer? 3. children are there on the playground? 4. is the umbrella? 5. are you going on a trip? 6. anyone in your country speak English? 7. are you, Jim? 8. you usually go to school by bicycle? 9. you a student, Linda? 10. you like some juice? |