题目内容
（请给出正确答案）
A、启动DP(InitialIDP)
B、请求报告BCSM事件操作RRBE(RequestReportBCSMEvent)
C、连接(Connect)
D、搜索SEARCH
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更多“（)操作是由SCF发送给SDF的，SCF通过此操作要求得到存…”相关的问题
A、启动DP(InitialIDP)
B、请求报告BCSM事件操作RRBE(RequestReportBCSMEvent)
C、连接(Connect)
D、申请计费AC(ApplyCharging)
A.启动DP(InitialIDP)
B.申请计费AC(ApplyCharging)
C.连接(Connect)
D.申请计费报告ACR(ApplyChargingReport)
A.破骨细胞
B.GM-CSF，SCF、IL-6、TNF和LIF等因子
C.血管细胞黏附分子-1
D.吞噬衰老红细胞
E.成骨细胞
利用模拟低通滤波器为原型，设计一个二阶SCF。给定电路参数为L=0.1126H，C=0.2247μH，Rr=1kΩ，时钟频率fc=100kHz。
下列哪种体液因子对造血起到抑制作用
A．胰岛素样生长因子(insulin-like growth factor，IGF)
B．干扰素α(interferron-α)
C．集落刺激因子(colony stimulating factor，CSF)
D．白血病抑制因子(1eukemia inhibitory factor，LIF)
E．干细胞因子(SCF)
A hematopoietic stem cell is defined as
A．a cell with extensive self-renewal and proliferative potential
B．a cell only to produce daughter cells with identical characteristics
C．a cell with the capacity to differentiate into the progenitors of all the blood cell lineages
D．a cell With the capacity to produce some hematopoietic growth factors such as SCF，GM-CSFs，et．a1．
E．a cell with the capacity to express some specific surface antigens such as CD34
