A thin,whitish,high cloud popularly known as mares tails is().
A、altostratus
B、stratus
C、cumulus
D、cirrus
A、altostratus
B、stratus
C、cumulus
D、cirrus
A、low viscosity index B、high viscosity index C、high neutralization number D、low demulsibility quality
A、The glass core is doped with an Erbium in periodic segments of the fiber. B、Layers of high index ?and low index ?material are deposited on a glass substrate. C、Thin layers of silica glass are placed onto wafers to produce a prism-like effect. D、Fiber is etched with an ultraviolet laser that is precisely spaced for specific wavelength filtering.
A、A.Power consumption;thin clients use more energy than comparable workstations and therefore have a larger energy footprint. B、B.Single point of failure;if the thin client server goes down all machines are without functionality. C、C.Centralized administration;IT staff cannot rely on localized group policy settings. D、D.High cost of terminals;compared to traditional workstations,thin clients are very expensive and require more maintenance.
A、snapshots, deduplication, volume mirroring B、deduplication, thin provisioning, snapshots C、snapshots, remote mirroring, thin provisioning D、remote mirroring, thin provisioning, deduplication
A、heavy wall and intensive cooling B、heavy wall and no cooling C、thin wall and no cooling D、thin wall and intensive cooling
A、A.high input impedance, high gain and low output impedance B、B.high input impedance, high gain and high output impedance C、C.low input impedance, low gain and high output impedance D、D.low input impedance, high gain and low output impedance
A、high flash point and high viscosity B、low flash point and high viscosity C、low heating value and high sulphur content D、high heating value and low sulphur content