法国动物园的工作人员同样也向这只在德国出生的耶保叶展示了这些雌性猩猩的照片，这样它就会认得它们的面孔。
Staff at the French zoo are also showing German-born Yeboah pictures of the females so that he can get to know their faces too.
目的：探讨黄珠子草有效成分短叶苏木酚及8，9-单环氧短叶苏木酚保肝作用及机制。
Objective: To investigate the effect of protecting liver of brevifolin and 8,9-single-epoxy brevifolin of Phyllanthus simplex.
利用保角变换，首先在二维平面得到双曲线型的等位线簇方程，然后过渡到三维空间，从而得到表面为单叶双曲面（两实半轴相等）的带电导体的等位面簇方程。
Transition to the three-dimensional space, then we obtain the equation of equipotential surface families of charged conductor with surface of hyperboloid of one sheet.
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