1·Once the larger of these particles get big enough to have a nontrivial gravity, their growth accelerates.
一旦这些较大的颗粒大到具有了非平凡重力，他们的增长便会加速。
2·Plan to regularly perform nontrivial merges.
计划有规律的执行非平凡的合并。
3·Intrinsically knotted and 3-linked graphs, that is, every spatial embedding of this graph contains nontrivial knot and a non-split 3-component link.
内在纽结与3-链图，即：这个图的每个空间嵌入中都包含非平凡的纽结和分支数为3的非分离链环。