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名词解释题
SFI
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写出下列字母代号的含义 POV(过氧化值);HLB(亲水亲油平衡值);TG(三酰基甘油脂) EFA(必需脂肪酸);PUFA(多不饱和脂肪酸);DHA(脱氢丙氨酸/脑黄金) SFA(饱和脂肪酸);UFA(不饱和脂肪酸);二十碳五烯酸(EPA) 月桂酸(La);硬脂酸(St);亚油酸(L) SFI(固体脂肪指数);二十二碳六稀酸(DHA);油酸(O)
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A new Disaster Recovery site has been established using Metro Mirror to hold synchronous data at both sites. After the Metro Mirror is started, one of the most important applications, a DB2 database, slows down. An analysis shows that the I/O rate (especially write I/Os) is less than 40% compared to the former rates. What is the best explanation for this behavior()A、the bandwidth of the PPRC connection between the two sites is too smallB、the DS8000 SFI at the remote site was shipped with slower disksC、I/O rates vary, depending on the distance between the two sites and the rates cannot be changed easily, due to latencyD、the DB2 database does not work with Metro Mirror without an additional license
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在讨论TBI(单点)、MFI(多点)和SFI(顺序)电子燃油喷射系统时,甲说PCM(动力控制模块)靠控制燃油压力来提供正确的空燃比;乙说PCM模块靠控制喷油器脉冲宽度来提供正确的空燃比。试问谁正确?()A、甲正确B、乙正确C、两人均正确D、两人均不正确
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在讨论燃油压力调节器时,技师甲说在SFI(电子燃油喷射)系统中,无论节气门开度如何,压力调节器都保持相同的油压;技师乙说在SFI系统中,与压力调节器相连的进气管真空度在节气门大开度时导致较高的燃油压力。试问谁正确?()A、甲正确B、乙正确C、两人均正确D、两人均不正确
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单选题下列关于散射分数的描述,错误的一项是()。A
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散射分数有断层散射分数和系统散射分数C
某一断层面i的散射分数SFi等于该断层中散射计数与总计数之比D
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单选题A new Disaster Recovery site has been established using Metro Mirror to hold synchronous data at both sites. After the Metro Mirror is started, one of the most important applications, a DB2 database, slows down. An analysis shows that the I/O rate (especially write I/Os) is less than 40% compared to the former rates. What is the best explanation for this behavior()A
the bandwidth of the PPRC connection between the two sites is too smallB
the DS8000 SFI at the remote site was shipped with slower disksC
I/O rates vary, depending on the distance between the two sites and the rates cannot be changed easily, due to latencyD
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单选题八项质量管理原则是GB/T19001SFI UWY R()A
附加条件B
理论基础C
中心要求D
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