首页
登录
职称英语
In 1948, people living in remote areas could see TV programs by ______ in the Un
In 1948, people living in remote areas could see TV programs by ______ in the Un
游客
2024-06-13
38
管理
问题
In 1948, people living in remote areas could see TV programs by ______ in the United States. [br] In tuning system, the Federal Communications Commission had distributed parts of ______ spectrum to 12 television channels which were broken into two groups to avoid interference with existing services at the beginning.
选项
答案
the very high frequency
解析
该段提到,在两个调谐系统中,FCC一开始是将高频(the very high frequency,频谱分配给12个频道,为了避免跟已经存在的服务互相干扰,这些频道被分成两组。
转载请注明原文地址:https://tihaiku.com/zcyy/3632790.html
相关试题推荐
Somepeoplehavetheage-olddesiretoputthejokeonothers.[br]Thecropcir
Somepeoplehavetheage-olddesiretoputthejokeonothers.[br]Accordingto
Somepeoplehavetheage-olddesiretoputthejokeonothers.[br]Accordingto
Somepeoplehavetheage-olddesiretoputthejokeonothers.[br]Traditional
Somepeoplehavetheage-olddesiretoputthejokeonothers.[br]Accordingto
In1948,peoplelivinginremoteareascouldseeTVprogramsby______intheUn
In1948,peoplelivinginremoteareascouldseeTVprogramsby______intheUn
In1948,peoplelivinginremoteareascouldseeTVprogramsby______intheUn
In1948,peoplelivinginremoteareascouldseeTVprogramsby______intheUn
1.老一辈常说,能力比相貌重要2.如今很多人却认为相貌比能力重要3.你的看法AbilityandGoodLooksOldpeople
随机试题
I’dliketotake______ofthisopportunitytothankyouforyourcooperation.A、
Myfatherseemedtobeinno______tolookatmyschoolreport.A、moodB、sense
[originaltext]Americansusuallyconsiderthemselvesafriendlypeople.Their
Gotmilk?Ifyoudo,takeamomenttopo
健康服务营销管理的特殊问题是()A.服务场所和服务医生的问题 B.对第三方
釉质龋的发展过程中,损害进展的最前沿是() A.细菌侵入区 B.
各种运输方式内外部的各个方面的构成和联系,就是( )。 A.运输系统
共用题干 患者男,50岁。口腔内起白斑。检查:口腔内左侧黏膜及上腭灰白色光滑而
下列统计误差中,无法消除,但事先可以进行控制或计算的是()。A.有意瞒报造成的
采用FIDIC《设计采购施工(EPC)/交钥匙合同条件》,业主的主要责任和义务
最新回复
(
0
)