测风塔宜在风电场外()km范围内且不受风电场尾流效应影响,宜在风电场主导风向的上风向,位置应具有代表性。
A.1~3
B.1~5
C.1~8
D.1~10
参考答案:B
将下列数字按要求排列。
1. three nine five six four ten eleven eight
从小到大:
2. eighteen fifteen seventeen twenty thirteen
从大到小:
3. four seven ten six three fourteen nine five
写双数:
下列哪个命令可将块生成图形文件()
A、Save
B、Explode
C、Block
D、Wblock