When these ice pellets fall, some of them strike much smaller ice crystals in the center of the cloud.
当这些冰粒下落时，其中一些会撞到云团中心的更小的冰晶。
Then updraft wind currents carry the light, positively charged ice crystals up to the top of the cloud.
然后上升气流将轻盈的、带正电荷的冰晶带到云的顶部。
During this re-organization, the ice crystals realign in a way that allows them to slide pass each other.
在这个重组的过程中，冰晶会重新排列成允许它们相互移动的形式。
Cirrus is formed from ice crystals.
卷云是冰晶形成的。
Ice crystals begin to deform measurably.
冰晶就产生某种程度的变形了。
Snowflakes are composed of conglomerated ice crystals.
雪花是由一簇簇的冰晶组成的。
Studying individual ice crystals can yield all sorts of information.
对冰晶的研究可以得到很多信息。
On Earth, NASA says, white wispy cirrus clouds are made of ice crystals.
美国航天局说，在地球上稀疏的白色卷云是由冰晶所组成的。
Droplets or ice crystals are small enough to remain suspended aloft indefinitely.
水珠或冰晶非常小，以至于能够一直悬浮在高空中。
The rare phenomenon is created by light reflected from ice crystals in high-up cirrus clouds.
而这个罕见现象是由于在位置较高卷云中的冰晶反射闪电而产生的。
All over the cloud, the number of ice crystals multiplies - and soon the whole cloud might be ice.
云层中的冰晶体数量会倍增，不久整块云层都会成为冰层。
This kind of halo can form by sunlight passing through ice crystals in thin layers of high clouds.
这种光晕是由于阳光穿过高空薄云蕴含的冰晶而形成的。
Clouds form when humid air cools enough for water vapor to condense into droplets or ice crystals.
当潮湿空气遇冷降至一定温度时，其中包含的水蒸气便聚集成小水滴或小冰晶，它们组成了云。
Along the waters edge ice crystals GREw, and listening closely, we heard the crack of freezing.
水边正在结冰，细听之下，有结冻的“咔咔”声。
These vertical beams of light are usually created in cold air by ice crystals falling from high clouds.
垂直的光柱通常是由高空云层里的冰晶掉到寒冷空气中所造成的。
An observer may pass through the same plane as many of the falling ice crystals near sunrise or sunset.
观察者在接近日出或日落的时候可以与这些冰晶穿过同一个平面。
Solar halos are also caused by small, flat, six-sided, ice crystals that float down parallel to the ground.
太阳光环也是由微小、扁平、六面形的冰晶在同地面平行地飘落所引起的。
Ice crystals should be plate shaped. They float in the air close to the ground reflecting light back downwards.
冰晶需呈片状，它们悬浮近在地面的空中，将光线向下反射。
A sundog is another atmospheric optical phenomenon caused by the refraction of sunlight by tiny ice crystals in clouds.
幻日是阳光通过云层中微小冰晶的折射而造成的另一种大气光学现象。
But the operation was not going smoothly. Schwarz's endoscope kept bumping into ice crystals that blurred the camera lens.
但是整个的操作进行得并不顺畅，施瓦茨的内诊镜总是碰撞进冰晶里面弄糊摄影机镜片。
In most situations, these undesirable changes are associated with the size of the ice crystals formed during the process.
在大多数的情况下，这些不受欢迎的变化与加工过程中形成的冰晶的大小有关。
The ice crystals must be oriented horizontally and the observer's line of sight must be close to horizontal to see the sundogs.
冰晶必须面向水平，而观察者的视线也必须接近水平来观察幻日。
The quick freeze means ice crystals don't have as much time to form, explained Aaron Goldstein, a chemist and Virginia Tech professor.
弗吉尼亚理工大学（Virginia Tech）的科技系教授，化学家亚伦•戈尔斯坦解释说，快速冷冻意味着冰晶根本来不及形成。
As the geysers reach Enceladus' frigid surface, the water freezes and some of the sodium remains trapped within the newly formed ice crystals.
当土卫二内部的液体水被喷发到土卫二寒冷的表面之后，这些液体水被寒冷的气温冻结成冰晶的同时，那些本来就存在于液体水中的钠元素也随之冻结成冰。
Not all water vapour in the atmosphere turns to precipitation, and for the snow to fall, water vapour should concentrate on ice crystals first.
寻找适合进行人工干预的气象条件，然后喷洒化学药品，大约需要出动8至10架飞机。 大气中并非所有的水蒸汽都能转化为降雨，至于降雪，水蒸汽首先应该形成冰晶。
It is caused by the reflection of sunlight from ice crystals and is most often observed at sunrise or sunset when the sun is low to the horizon.
这是由地球大气层顶部冰晶体折射太阳光而形成的，观测时间一般为日出或日落时，即太阳接近地面时。
Analogous to a sundog or parhelion, the paraselene is produced by moonlight shining through thin, hexagonal-shaped ice crystals in high cirrus clouds.
类似于假日或幻日，近幻月是月光透过高空卷云中的六角形的薄冰晶而形成的。
Analogous to a sundog or parhelion, the paraselene is produced by moonlight shining through thin, hexagonal-shaped ice crystals in high cirrus clouds.
类似于假日或幻日，近幻月是月光透过高空卷云中的六角形的薄冰晶而形成的。
应用推荐