The additive="sum" attribute allows the effect of the various transforms to be cumulative.

additive="sum" 属性允许各种变换的效果相互重叠。

youdao

To counteract the "supra-additive effect" of speedy or glut eating among children prone to obesity, parents should encourage them to eat slowly and in calm surroundings, the study found.

研究指出，为了避免儿童吃饭过快或过量造成的“超相加效应”，家长应提醒孩子们在进食时细嚼慢咽，并让他们在安静的环境中进食。

youdao

In the pulsing core, the coils are preferably wound in the same direction to maximize the additive effect of the electromagnetic field therein.

在脉冲的核心，是最好的线圈缠绕在同一方向，以最大限度地电磁场在其中加性效应。

youdao

This problem is compounded by the possible presence of multiple chemicals which together have an additive effect that greatly increases the lethal action of any single chemical.

CNN: Chemicals killing Florida birds, fish