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【单选题】
You work as the exchange administrator at company.com.the company.com network contains an exchange server 2010 organization.you are responsible for managing the exchange organization for company.com.during the course of the week you receive an instruction from the cio to change the exchange specific cost for a site link named kinglink1.what should you do？（）A.
you should consider setting up a site link bridge using the active directory sites and services snap-in.
B.
you should consider running the set-ad site cmdlet on the exchange management shell.
C.
you should consider having the properties of kinglink1 modified using the active directory users and computers snap-in.
D.
you should consider running the set-ad site link cmdlet on the exchange management shell.
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举一反三
【单选题】有一单缝,缝宽为a,在缝后放一焦距为f的会聚透镜,用波长为λ的单色平行光垂直照射单缝,则位于透镜焦平面处屏上中央明纹的线宽度()
A.
4fλ/a
B.
fλ/a
C.
2fλ/a
D.
以上都不对
【简答题】ZX7-04-13 (10分)一衍射光栅,每厘米有200条透光缝,每条透光缝宽为 ,在光栅后放一焦距f=1m的凸透镜,现以 单色平行光垂直照射光栅,求: (1) 透光缝a的单缝衍射中央明条纹宽度为多少? (2) 在该宽度内,有几个光栅衍射主极大?
【简答题】一衍射光栅，每厘米有200条透光缝，每条透光缝宽为a=2×10 -3 cm，在光栅后放一焦距f=1m的凸透镜，现以λ=600nm单色平行光垂直照射光栅，求： （1）透光缝a的单缝衍射中央明条纹宽度为多少？ （2）在该宽度内，有几个光栅衍射主极大？
【简答题】A 10-year bond is issued on January 1, 2010. Its contract requires that its coupon rate change over time as shown in the following table: This security is best described as an example of a: A. step-up...
【单选题】患者在输液过程中突然出现气短、不能平卧、咳粉红色泡沫样痰。体检:血压90/60mmHg,呼吸28次/分,神志清醒,端坐位,口唇发绀,两肺布满湿啰音及哮鸣音。吸氧宜采用的方法是
A.
持续高流量吸氧
B.
间断高流量吸氧
C.
间断低流量吸氧
D.
低流量乙醇湿化吸氧
E.
高流量乙醇湿化吸氧
【单选题】有一单缝,缝宽为a ,在缝后放一焦距为f 的会聚透镜,用波长为 λ 的单色平行光垂直照射单缝,则位于透镜焦平面处屏上中央明纹的线宽度
A.
4fλ/a
B.
fλ/a
C.
2fλ/a
D.
以上答案都不对
【简答题】一衍射光栅,每厘米200条透光缝,每条透光缝宽为a=2×10-3 cm,在光栅后放一焦距f=1 m的凸透镜,现以λ=600 nm (1 nm=10-9 m)的单色平行光垂直照射光栅,求: (1) 透光缝a的单缝衍射中央明条纹宽度为多少? (2) 在该宽度内,有几个光栅衍射主极大?
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