【单选题】下列关于数码相机的叙述不正确的是( )。
A.
数码摄影获取的数字图像文件存储在相机的内存中
B.
数码相机获取的图像可以直接输出至计算机、电视机或者打印机,在一定条件下还可以输出到移动式电话机或手持PC机上
C.
数码相机拍摄得到的照片,可立即通过数码相机的液晶显示屏观看效果
D.
数码相机不使用胶片,不像传统摄影需要暗室进行化学冲洗,而是使用存储器来保存获取的图像
【单选题】It's important to children to more good books.
【单选题】It's important to cultural heritage.
【单选题】______________不是数码图像的文件格式。( )
【单选题】It's important to me to have good .
【单选题】To understand the failings of existing farm programs, it's important to understand the roots of the current farm crisis. At the heart of the problem is money—how much there is and how much it costs to...
A.
suggest effective means to deal with money crisis
B.
satire the existing farm programs
C.
argue against the current interest rates policy
D.
advocate a modest attitude towards farmers
【单选题】下列选项中不属于多媒体计算机常用的图像输入设备是( )。
【简答题】图示结构中三杆的材料和截面均相同,已经计算得到各杆的横截面上的正应力分别为:σ 1 <[σ],σ 2=1.5[σ],σ 3 <[σ]。鉴于2杆的强度不够,有人认为只要把2杆的截面积增加50%,即可保证结构的强度足够,你认为他的意见如何?为什么?