白细胞数量减少见于多种类型的贫血,如缺铁性贫血、失血性贫血、营养性不良贫血、再生障碍性贫血以及其他疾病所致的贫血等。
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You are the network administrator for All network servers run Windows Server 2003. A member server named TK1 hosts several hundred folders, which are located on multiple volumes on the server. A backup job on TK1 is configured to run a normal backup of the folders every Saturday at 1:00 A.M. On Wednesday morning, you discover that you need to install a new application on TK1 before the close of business that day. You need to back up all folders on TK1 as quickly as possible so you can install the new application. What should you do?()
A. Create a new backup job that specifies the folders and runs once only.
B. Run the existing backup job.
C. Enable Volume Shadow Copy for the volumes that contain the folders.
D. Create an Automated System Recovery (ASR) set.
按《湖南省住宅工程质量通病防治技术规程》(DBJ43/T306-2014)4.2.1,混凝土的配合比应提前优化,掺合料总掺量不宜大于水泥用量的(),严禁随意调整生产配合比。
A. 20%
B. 30%
C. 40%
D. 50%