1.夜间发光的
1.describes high clouds that are visible at night
1.Recent evidence indicates that at least some noctilucent clouds result from freezing water exhaust from Space Shuttles .
最近有线索表明，至少部分夜光云是由航天飞机上排出的水蒸气结冰所导致的。
2.THE comings and goings of noctilucent or "night shining" clouds in the extreme upper atmosphere may be linked to the sun's rotation.
高层大气中时隐时现的发光的云团可能跟太阳的自转有关。
3.The recent observations of noctilucent clouds at all kinds of latitudes provide an extra impetus to understand what is going on up there.
最近在各种纬度进行的夜光云观察，提供了了解天上发生着什么的特别动力。
4.Although noctilucent clouds are thought to be composed of small ice-coated particles, much remains unknown about them.
尽管我们认为夜光云由裹着冰的小微粒组成，但仍有许多未知有待研究。
5.Noctilucent clouds were first observed in 1885 by an amateur astronomer.
1885年，一位业余天文学爱好者最早观察到夜光云。
6.Pictured above last week, a network of noctilucent clouds cast an eerie white glow after dusk, beyond a local field near Potsdam, Germany.
上图所示的就是上周在德国波茨坦市附近的田野上方，一大片网状的夜光云投射出一层怪异的白色辉光。
7.In fact " " noctilucent BI is a shining jewel in Chinese textile surface, containing phosphorus should be.
实际上“夜光璧”是一种荧面，夜明珠中应含有磷的成分。
8.noctilucent business card printing and membership card.
夜光制卡和会员卡制作。
9.The coating is produced by transparent acrylic acid varnish added with 20 to 65 weight percent of rare earth aluminate noctilucent powder.
所述涂料是透明丙烯酸清漆中添加20%~65%重量比稀土铝酸盐夜光粉制成。
10.Noctilucent clouds appear about 80 kilometres above the Earth in each hemisphere's summer.
这种夜光云出现在夏季离地球表面80公里高的大气中。