1·But at the same time, you can refer to an "only child" node without having to subscript. For example.
但同时，可以在无需下标的情况下引用“独生子”节点。
2·This implements the types so they can be used with the subscript operator.
这实现了使他们可以用下标操作使用的类型。
3·Strikethrough, subscript, and superscript elements.
中间划线，上标，下标元素。
4·You specify an element of an array by supplying an index or subscript for each of its dimensions.
可以通过为数组的每一维提供“索引”或“下标”来指定数组元素。
5·How to implement subscript operators in Parsec?
如何在秒差距实现下标操作符？
1·Each subscript refers to a coordinate which represents the location and direction of a force or of a displacement.
每一脚标指的是代表一个力或一个位移的位置和方向的坐标。