以上来源于: WordNet
For the new contract, Dell Perot Systems will continue to provide network operations, desktop services, email, information assurance, telephones, and connectivity to long-haul communications.
根据新的合同，戴尔perot系统公司将继续提供网络运营、桌面服务、电子邮件、信息安全保障、电话和长途通信。
Harris will supply Falcon II RF-5800H high-frequency (HF) radio systems for long-haul, beyond line-of-sight terrestrial communications.
Harris公司将提供Falcon II RF - 5800 H长途高频(HF)无线电系统，具有超视距地面通信能力。
Shortwave communication plays a vital role in long haul communications, on account of its unique merits such as low cost, convenience to be generated and strong resistance to damage.
短波通信具有成本低、架设灵活、抗毁能力强等优点，在远距离通信中起着举足轻重的作用。
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