You can vary their width, speed, and length.
你能改变它们的宽度、速度和长度。
To remove these borders, set the -outline property to be the same as the fill color; to widen the borders, use the -width property to specify their width in pixels.
要去除这些边框,设置- outline属性为与填充色相同即可;要加宽边框,使用- width属性来指定宽度(用像素表示)。
Borders range from 3 to 30 m wide and must be nearly level across their width so the entire area will be irrigated uniformly.
畦宽3—30米,沿宽度方向必须接近水平,以便使全部面积都能得到均匀的灌溉。
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