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曲线+=1与曲线+=1(k>-16)的( ) A.长轴长相等 B.短轴长相等 C...
曲线
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102320117279710/SYS201311031023201172797008_ST/0.png)
+
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102320117279710/SYS201311031023201172797008_ST/1.png)
=1与曲线
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102320117279710/SYS201311031023201172797008_ST/2.png)
+
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102320117279710/SYS201311031023201172797008_ST/3.png)
=1(k>-16)的( )
A.长轴长相等
B.短轴长相等
C.离心率相等
D.焦距相等
考点分析:
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、
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,+∞)
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