查询词典 brightness

This property can be used to reveal the distance to a cepheid's parent galaxy, because the star's period reveals its intrinsic brightness.

这一特性可以用来测算出一造父变星与其源星系之间的距离，因为变星的周期能显示出其内在亮度。

Of the great nebula called Andromeda. Cepheid variable stars are stars whose brightness changes at

被称为瑟福尔的可变恒星的亮度都是在一个很有规律的时段里改变。

Such stars periodically wax and wane in brightness: the longer a cepheid's period the bigger and brighter it is.

这类星的亮度有周期性盈亏：周期越长，该造父变星体积就越大，亮度也越高。

Cepheids are reliable cosmic distance mileposts. The interval it takes for the Cepheid to complete one pulsation is a direct indication of the stars';s intrinsic brightness.

造父变星是可靠的宇宙距离里程碑，其完整的一个光变周期直接反映了星体的本质光亮度。

Explanation: To seventeenth century astronomers, Omicron Ceti or Mira was known as a wonderful star, a star whose brightness could change dramatically in the course of about 11 months.

说明：对17世纪的天文学家来说，鲸鱼座ο星是一颗奇妙的恒星，这颗恒星的亮度在大约11个月里会发生明显的变化。

Evev though/as usual The brightness ought to arouse people to AIDS annotates a medium (draw one's atteniou to) We are three's tall students , we do not ought to indulge in computer game That young reporter makes a resolution to report this matter truly (make up one's mind) I live within one room towards the north , can not find sunlight all day long When the fireman is got to, the house has already been burned down Even if in the once failing,I give up neither Be negligent leading to (the to testing the lead failing) I am able to persuade him to change mind as far as possible (make enery efort/ change one's mind) The children hopes that the soon gets rid of zoo play That you ought to pay attention to English much listen to and say otherwise, you are in communicating with the foreigner is able to have difficulty As long as you study attentively in English, you are therefore likely to learn (putone with English; S mind to) Leave classroom front , be sure to be good with the lock make sure

evev though/as usual）媒体应该引起人们对艾滋病的光注（draw one's atteniou to）我们是高三的学生，我们不应该沉迷于电脑游戏那位年轻记者下决心真实的报道此事（make up one's mind）我住在一间朝北的房间里，终日不见阳光消防队员到达时，房子已经被烧毁了即使在失败一次，我也不放弃粗心大意导致试验失败我会尽力劝说他改变主意（make enery efort / change one's mind）孩子们盼望早日去动物园玩你应该多注意英语听和说，否则，你在与外国人交流是会有困难只要你专心于英语学习，你就能把英语学好（putone；s mind to ）离开教室前，一定把们锁好

I admire your chariness and brightness, I am touched by your understanding.

好。我返复看了你6月14日来信，你的细心和聪明令我佩服，你的体谅令我感动。

At that moment, I was in my heart, I told myself: silence is an honorable Chinese young pioneer team, I want to add the brightness of comitys fluttered a pen.

那一刻，我便在心底默默告诫自己：我是一名光荣的中国少年先锋队队员，我要为飘扬的队旗添上光辉的一笔！

They feature increased chromaticity, higher color purity and more brightness and hiding power than traditional non-metallic metallic colors.

它们具有高彩度、高颜色亮度的特点，提供强烈鲜艳的金属颜色效果。

The results are:(1) The brightness of the specimens will decrease and the chromatism will increase with the prolongation of time of heat treatment. Compared to heat treatment in vacuum, the specimens have more color changes after heat treatment in air, with the same temperature and time of heat treatment.

该研究的结论为：(1)在相同条件下，随着处理时间的延长，试材的明度减小，色差增大；空气介质中热处理和真空中热处理相比，在处理温度和时间相同的情况下，前一种方法处理后的试材材色较深。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。