可调节套环可提供用于附加支承件的锚定点。
An adjustable collar may provide an anchor point for additional support.
在下面的例子中，- (A)指明了A不能再另外一个A元素中出现(例如：锚定点不能嵌套)。
In this example, the - (a) signifies that the element a cannot appear in another a element (i. e., anchors may not be nested).
组件限定基本上平坦的支承平面并具有间隔开的锚定点，锚定点被定位成能够确保固定组件通过固定装置固定到股骨。
The assembly defines a substantially flat support plane and has spaced apart anchor points positioned so as to enable secure fixing of the fixture to a femur by fixing devices.
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