Stating a large propulsion diesel engine using diesel fuel during cold weather conditions
A. increasing the quantity of starting air
B. increasing the lube oil pressure
C. heating the engine fuel supply
D. heating the engine jacket water
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The prime vertical is the reference point from which the angle of which type of observation is measured ().
A. Sextant angle
B. Azimuth
C. Amplitude
D. Local apparent noon
LTE-3GPP PCC(Policy and Charging Control) 架构定义了从终端、核心网、业务平台到无线设备的端到端联动机制,能下发数据业务流的________规则和________规则,实现数据业务的差异化和精细化管控。