第三支柱是对（）的有效补充。 A.最低资本要求 B.市场纪律 C.监督检查 D.资产

Flow control is a function that prevents network congestion by ensuring that (59) do not overwhelm (60) with data.

There are three commonly used methods for handling network congestion. (61) is used by network devices to temporarily store bursts of excess data in memory until they can be processed (62) are used by receiving devices to help prevent their buffers from overflowing. (63) is a flow-control scheme in which the source device requires an acknowledgment from the destination aider a certain number of packets have been transmitted.

62（）

A．Buffer

B．Source-quench messages

C．Window

D．Windowing

E．Buffering

对涉密人员的保密管理不只是对涉密人员上岗前的保密审查和培训，还应包括在岗、离岗保密管理。

12CrMoV钢常温组织是（）。

A.珠光体

B.珠光体+铁素体

C.珠光体+奥氏体

固体发光器件有（）。

A.LCD

B.PDP

C.ECD

D.EPD

E.VFD

火棘，（）科，火棘属常绿灌木花期3-4月，常用作绿篱或修剪植物.