extents是什么意思？

extents

• n. 程度( extent的名词复数 )，长度，广大地域，被扩展的东西；

例句

• Returns the parametric extents of the curve. This is the parametric equivalent of the end - points. 返回曲线的参数,参数相当于曲线终点.
• Ninety percentage of the usable natural grasslands have deteriorate to various certain extents. 中国90%的可利用天然草原有不同程度的退化.
• People are affected to different extents by what they see on television. 人们不同水平地受到电视节目的影响.