nodal point的用法和樣例：
例句
- The nodal point will be behind this position.
節點將位於這個位置之後。 - WLSR is a pure meshless method only based on nodal information.
該方法是一種基於節點信息的純無網格法。 - The nodal matrix now has the convenient form.
現在結點矩陣具有下面方便的形成。 - Thus the value of the function at any grid point is the average of its values at the immediately neighboring points.
因此，任一結點上的函數值就等於其直接鄰點上函數值的平均。
