公文发文字号中的年份应标全称，用4位阿拉伯数码表达，并用中括号“〔〕”括起，例如“〔2012〕”。
动态存储器刷新时只需要提供（）地址。 行地址。 列地址。 行、列地址。 以上都不对。
重介质选煤工艺效果的评定指标不包括（）。 可能偏差和不完善度。 可燃体回收率。 数量效率。
层流运动。
Refer to the exhibit. As a network administrator, you have configured a dual-rate, dual-bucket policer in accordance with RFC 2698 on the serial interface of you router, connecting to your provider. The SLA with your provider states that you should only send AF31 (limited to 150 kb/s), AF32 (limited to 50 kb/s)and AF33 (best effort). Your service provider claims you are not conforming to the SLA. Which two things are wrong with this configuration?（） The configuration of a service policy on half-duplex Ethernet interfaces is not supported.。 The class class-default sub-command of the policy-map limit command should be set to the DSCP default.。 The violate action is wrong.。 This policer configuration is not implementing RFC 2698 dual-bucket， dual-rate.。 The policer is configured in the wrong class.。
空间技术的两个标志性技术是航天飞机和（）。
