For liquids with relatively simple non-directional interactions, things like organic liquids that might interact van der Waal's interactions.
对于有相对简单的，不定向的相互作用的液体，像有机液体，可能会有范德瓦耳斯相互作用。
2
And because the vibrations are generated upwards from each speaker's base, the sound produced is completely non-directional.
而且由于这些振动是由底座自下而上传送上去的，因而所发出的声音完全没有方向特异性。
3
The most difficult, and oftentimes confusing, aspect of using non-ASCII characters in a template is the support for bi-directional languages such as Hebrew and Arabic.