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汉语拼音：jiè zhì

一种物质存在于另一种物质内部时，后者就是前者的介质；某些波状运动（如声波等）借以传播的物质叫做这些波状运动的介质。旧称媒质。

1. 物理学名词。一种物质存在于另一种物质内部时，后者就是前者的介质；某些波状运动(如声波、光波等)借以传播的物质叫做这些波状运动的介质。

• In the case of dielectric breakdown, a different type of acceleration occurs.

  在介质击穿的情况下, 出现了一种不同类型的加速.

• In this method " free water'samples are taken directly in the aquatic medium.

  在这种方法中, “ 自由水 ” 样品是直接在水介质中取得的.

• The same sort of problem may exist with some neurotransmitters.

  对于某些神经介质也存在这种问题.

• Such material can confine water in an artesian aquifer.

  这样的介质能把水控制在承压含水层中.

• The investigation was extended to the study of a three - dimensional granular medium.

  将这项研究推广到对三维颗粒状介质的考察.

• Only dielectric stratified media will be treated in this section.

  这一节将只讨论介质分层媒质.

• In a uniform medium light travels in straight lines.

  在均匀介质中光沿直线传播.

• Physically it is impossible to have complete thermal insulation between two media.

  从物理学上讲,两种介质之间不可能有完全的绝热.

• They imagined the existence of a physical medium - the ether - filling all of space.

  他们想象存在一种充满整个空间的物理介质 -- 以太.

• Histamine was considered the primary mediator of inflammatory vascular responses.

  人们考虑组织胺为血管炎症性反应的主要介质.

• Colloidal particles are bombarded by molecules of the dispersion medium.

  胶粒会受到分散介质分子的碰撞.

• A current is passed through earth materials not containing metallic minerals.

  电流在不含金属矿物的地层介质内经过.

• Air is the common medium of sound.

  空气是声音的普通介质.

• The randomness is attributed to the porous medium.

  随机性起因于多孔介质.

• Perforated plates correspond to heterogeneous media.

  多孔板相当于均匀介质.