《科技英语》课后习题答桉完整版(13)

大学英语的预习好帮手

… technology development never really went out of vogue … (Para.1) out of vogue: no longer popular (Cf. in vogue

: popular or welcomed) e.g. That type of cell phone was out of vogue. … broadband has become a commodity service … (Para.5) broadband: n. a wide band of electromagnetic frequencies e.g. Cable operators are making more and more profits in broadband. broadband: adj. of or relating to a wide band of electromagnetic frequencies e.g. Nowadays most urban residents can enjoy broadband service at home. … by prioritizing or reserving bandwidth … (Para.5) prioritize: v. to arrange or deal with in order of importance e.g. (1) Housing is prioritized in the city council’s financial budget. (2) They should prioritize agriculture, infrastructure construction for future cooperation. … for latency-sensitive or feature-rich applications. (Para.5) latency: n. the state or quality of being latent e.g. (1) There is a significant decrease in latency from input port to output port. Several blood tests can detect the virus, even during latency. Leveraging their existing PacketCable … (Para.6) leverage: v. to affect as if by leverage e.g. He leads a lifestyle that is leveraged by business responsibilities. leverage: n. the action of a lever; positional advantage e.g. The government began to exert financial leverage on the economy. In a typical scenario … (Para.7) scenario: n. an outline of a supposed sequence of events e.g. (1) They have laid down a scenario for transmission of signals. (2) In the scenario posed by many climatologists, continued global warming would raise sea levels anywhere from 20 inches to more than 11 feet. The seamless cellular Wi-Fi roaming technology would alert the mobile carrier … (Para.9) seamless: adj. having no seams e.g. (1) All the clothes of our store are made with seamless zippers, real flawless heavenly wear. (2) Seamless mobility is a very important concept recently proposed in telecom industry. The seamless cellular Wi-Fi roaming technology would alert the mobile carrier when a user migrates into a Wi-Fi access point, where it would enable the unit’s broadband capabilities while the voice conversation continued. (Para.9) Paraphrase: When a user moves into a Wi-Fi zone, the seamless cellular Wi-Fi roaming technology would prompt the mobile carrier to transfer the signal from the cell tower to the

(2)

大学英语的预习好帮手

Wi-Fi access point at which the mobile phone’s broadband capabilities would be activated while the voice conversation continued. … because they will be able to save frequency spectrum … (Para.10) spectrum: n. 1) the distribution of a characteristic of a physical system or phenomenon 2) a broad sequence or range of related qualities, ideas, or activities e.g. (1) The primary colors of the spectrum are red, green and blue. (2) A whole spectrum of techniques is employed to do this job. … providing the network greater resiliency than … (Para.14) resiliency: n. 1) the ability of a substance to return to its original shape after it has been pressed or bent 2) the ability to recover quickly from illness, change or

misfortune e.g. (1) They have produced the alloy combining strength and resiliency. (2) Her natural resiliency helped her overcome the crisis. … the network is self-organized, self-configuring and self-healing. (Para.14) configure: v. to design or set up with a view to specific applications or uses e.g. (1) The internal security vehicle was configured for rough terrain. chapter guides you through the process to configure the network.

(2) This

… to find the most optimized path … (Para.14) optimize: v. to make as perfect or effective as possible e.g. An inventory management system should be used to optimize inventory turnover time. It’s ludicrous … (Para.16) ludicrous: a. laughable or hilarious because of obvious absurdity or incongruity e.g. (1) The president of Western Union turned him down, saying the price was ludicrous. (2) It is ludicrous that we have to show our pass each time. Service providers are approaching the hosted IP telephony opportunity with a “have it your way” mentality that’s tailored to a particular enterprise’s needs. (Para. 18) Paraphrase: Service providers are trying to seize the hosted IP telephony opportunity and thinking of catering for their customers’ particular needs. Leveraging the ubiquity of standard Ethernet ... (Para.21) ubiquity: n. existence or apparent existence everywhere at the same time e.g. (1) The ubiquity of digital networks has spawned more opportunities of written communication, such as e-mail and blog. (2) The industry will try to leverage the ubiquity of Wi-Fi-equipped mobile computing devices. … can be built out on a pay-as-you-grow basis … (Para.21) pay-as-you-grow: n. a way customers pay only for what they need at the time of purchase while having the option to increase the capacity later on