The aggregates, composed of the primary particles, retain sufficient water and nutrients.

由原颗粒组成的团聚体要能保持充分的水分和养分。

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These are loose aggregates of a large number of primary particles of crystalline or spherical shape.

这些是大量晶体，或球原始粒子的疏松团粒。

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The production efficiency of family events for different primary particles and its relationship with primary energies are given.

给出了不同能区原初宇宙线各种成分产生族事例的效率及其与原初能量的关系。

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And in fact those same sulfate particles are a primary ingredient in acid rain, so loading the atmosphere with them is probably not a good idea either (although geoengineering proponents have suggested doing exactly that to help cool the climate).

FORBES: Fox News Inspiring Climate Science