Watch size is small and the internal structure is very complex and sophisticated, a little bit of dust or clothing fibers will affect the time of the watch.

手表尺寸虽小内部结构确非常复杂且精密，一点点小灰尘或是衣物纤维都会影响手表的走时。

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This paper is intended to study the complex wave structure generated in gas and starch dust bulk while interaction of shock wave with starch dust bulk through experiment and theory analysis.

本文研究了激波与堆积粉尘相互作用后，气体和堆积粉尘内产生的复杂波系，主要从实验和理论两个方面对此进行了研究。

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This complex region of gas and dust, where numerous massive stars are born, lies near the heart of the Milky Way galaxy, and is heavily obscured by intervening dust clouds.

这是充满气体、尘埃的复杂区域，大量蓝巨星在其中诞生。它位于银河系中心附近，被星际尘埃重重遮蔽。

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Even if the delicate digital hardware running these machines keeps going, and even if they are the smartest roving robots this side of Mars, navigating through the scrub, dust and rock of the Mojave desert represents a complex challenge.

ECONOMIST: MONITOR: Robots, start your engines | The