位图的文件更大，缩放时也更难做到不损失图像质量。

Bitmaps tend to be larger files and are more difficult to resize without losing quality.

youdao

图15显示了示例授权请求消息的主位图的图形表示。

Figure 15 shows a graphical representation of a primary bitmap for an example authorization request message.

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我们将使用这个代码对线、圆和位图的物理绘制进行抽象。

We will use this code to abstract away the physical drawing of lines, circles, and bitmaps.

youdao

- Is it a character of eight bytes -- sorry -- eight bits, eight bits, eight bits, and I've done the same picture on the board.

它是一个8字节的字符--对不起-,8位，8位，8位，我在黑板上画了个一样的图。

哈佛公开课 - 计算机科学课程节选