将某二维图形整体放大2倍，其变换矩阵可写为：
举一反三
- 下列草图用旋转特征工具不能生成实体的是（）。1、<img width="50" height="100" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/0c0ba8db9acf4933a0e5df79d9dddaea.png" border="0" vspace="0 2、<img width="60" height="100" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/341180a27efb4211b512ab4269ae865a.png" border="0" vspace="0 3、<img width="80" height="100" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/97007edcda2644d78d09b1089aa9af7a.png" border="0" vspace="0 4、<img width="80" height="100" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/6a56890b40874f78a8df75419e014d27.png" border="0" vspace="0
- A点的图形1变换到B点的图形2，以下关于图形变换矩阵的叙述正确的是。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/9b2cbd1c43e54eb38f7f0a967d08ef97.png 矩阵1：<img width="120" height="60" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/08cbc950646e4b1d85081e01cff11c27.png" border="0" vspace="0 矩阵2：<img width="90" height="55" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/0d034a8326794296b16db9fff0274038.png" border="0" vspace="0
- 将某二维图形整体放大2倍，其变换矩阵可写为：http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/b188ae02b37b4bd8bd2f7ac8b69f7a62.png
- 下面编码裁剪算法对线段的裁剪过程，正确的说法是（）。<p style="text-align: left;<img width="200" height="170" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201908/2cb4d49957a84d4090057085e2277288.png" border="0" vspace="0
- 在下图中，能够用Trim命令修剪掉的线段是（ ）。<p style="text-align: left;<img width="80" height="100" src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201901/98b39a53cb9a4d04b60f602ce9f45551.png" border="0" vspace="0