下列哪个镜头拍摄的画面属于小光比？
A: [img=268x114]1803dfea4ae5acd.png[/img]
B: [img=216x92]1803dfea56c4c02.png[/img]
C: [img=506x228]1803dfea6b24e67.png[/img]
D: [img=440x293]1803dfea8070948.png[/img]
A: [img=268x114]1803dfea4ae5acd.png[/img]
B: [img=216x92]1803dfea56c4c02.png[/img]
C: [img=506x228]1803dfea6b24e67.png[/img]
D: [img=440x293]1803dfea8070948.png[/img]
举一反三
- 下列哪个镜头拍摄的画面属于小光比？ A: [img=268x114]180373f017c19af.png[/img] B: [img=216x92]180373f0270a021.png[/img] C: [img=506x228]180373f03bb44d8.png[/img] D: [img=440x293]180373f054a4c58.png[/img]
- 下列哪个镜头拍摄的画面属于小光比？ A: [img=268x114]1803df92dec6060.png[/img] B: [img=216x92]1803df92ecaf3c6.png[/img] C: [img=506x228]1803df93007b775.png[/img] D: [img=440x293]1803df93162dbaa.png[/img]
- 已知随机变量X的分布函数为[img=136x49]1803b69024c8270.png[/img] ，则X的均值和方差分别为 A: E(X)=2, D(X)=4 B: E(X)=4, D(x)=2 C: [img=162x43]1803b6902cd8bfb.png[/img] D: [img=162x43]1803b69034d9ffd.png[/img]
- Which of the following propositions is false,set A = {x,x is an integer and[img=60x23]1803a1c6eebb7a3.png[/img]} ? ( ) A: [img=113x25]1803a1c6f77ce06.png[/img] B: [img=139x25]1803a1c7001fe79.png[/img] C: [img=51x22]1803a1c70863f61.png[/img] D: {x|x is an integer and |x| 4}[img=33x22]1803a1c711a7c63.png[/img]
- Which of the following propositions is false,set A = {x,x is an integer and [img=60x23]1803a1c503ffa04.png[/img]} ? ( ) A: [img=113x25]1803a1c50cc3162.png[/img] B: [img=139x25]1803a1c514e60ea.png[/img] C: [img=51x22]1803a1c51dd52ef.png[/img] D: {x|x is an integer and |x| <4} [img=33x22]1803a1c525cf1bd.png[/img]