物体温度升高后就会辐射出热量，但由于原子的无规则热运动，在物体表面附近还会产生电场。
As an object heats up it radiates heat, but it also generates an electric field near its surface as a result of the random thermal motion of its atoms.
气体中形成波的振动叠加在这种无规则热运动上。
The vibrations which constitute a wave in a gas superposed on the random thermal motion.
混沌是指发生在确定性系统中貌似随机的无规则或不规则运动。
Chaos is a kind of seemingly random, chance or irregular movement, which appears in a definiteness system.
以及产生束外有髓和无髓轴突无规则生长会导致神经纤维错向再生，造成严重的联带运动的不足。
Irregular growth of extrapyramidal myelinated and non-myelinated axons can lead to the fault regeneration of nerve fibers, causing serious shortcomings associated with the movement.
随转速的增加，钻柱的横向运动逐渐由规则摆动向无规则摆动和规则反向涡动转化。
With the increase in rotary speed, the motion state of drill string will be successively transformed from regular swaying into irregular swaying and regular whirling.
用另一句话说：马赫数是气体的有序运动和分子无规则热运动的程度对比的度量。
In other words, the Mach number is a measure of the directed motion of the gas compared with the random thermal motion of the molecules.
用另一句话说：马赫数是气体的有序运动和分子无规则热运动的程度对比的度量。
In other words, the Mach number is a measure of the directed motion of the gas compared with the random thermal motion of the molecules.
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