Church members and friends, seeking some way of showing support, began donating on Rachel's birthday page — charitywater.org/Rachel — and donations surged past her $300 goal, and kept mounting.
This can be achieved, by example, by bearings that are moveable on suitable guides, or by mounting the support on a plurality of pivot arms of unequal lengths.
这例如可以通过可在合适的导轨上移动的轴承或者通过在多个非等长的摇臂上安装支承件来实现。
3
The most established way in semiconductor industry to create such support is the temporary mounting of those materials to rigid carrier substrates.