microscopic particle

All the systems in nature including physical system, chemical system, biological system, microscopic particle, and celestial body in astrospace exhibit nonlinear dynamic behaviors.

自然界中存在的各种体系，包括物理系统，化学系统，生物系统，小至微观粒子运动，大至宇宙空间天体演化，他们的运动大多呈现非线性动力学行为。

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to make an airplane contrail, you need water and some kind of microscopic particle for the water to condense around.

创造一条飞机的轨迹，你需要一些水和一种能让水在它周围凝聚的各种微小粒子。

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synthesis conditions were optimized with the test of microscopic particle image system and sem.

采用图像颗粒显微系统和扫描电镜（SEM）加以表征，优化合成条件。

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