variable adj. 1.易变的,变化无常的,无定的 (opp. constant, steady)。 2.可变的,能变的;变换的。 3.【数学】变量的;【天文学】变光的;【生物学】变异的。 Prices are variable according to the exchanges. 物价跟着汇率变动。 a man of variable character 反复无常的人。 a rod of variable length (伸缩)如意棒。 a word of variable construction 可以作种种解释的词。 variable capital 可变资本。 a variable budget 临时预算。 n. 1.易变的东西。 2.【数学】变量,变数,变项,变元 (opp. constant);【天文学】变星 (=variable star);【航海】(方向不定的)变风,不定风 (opp. trade wind); 〔pl.〕 (贸易风带中的)变风带。 adv. -ably ,-ness n.
These objects include variable stars as well as supernovae 这些物体包括象超新星这样的变星。
List of known variable stars 变星列表
Cepheid variable stars are stars whose brightness changes at regular periods 造父变星是一种光线按规律周期发生变化的恒星。
Welcome to the american association of variable star observers ( aavso ) nova search program 欢迎访问美国变星协会新星搜索组。
Naked-eye variable star 肉眼变星
Besides, many stars vary in their brightness, they are called variable stars 另一方面,有些星则会改变光度,我们叫它们为变星。
Another new small-amplitude red variable star with period of about one day in the globular cluster m 4中另一颗周期约一天的小变幅新红变星
A double, eclipsing variable star in the constellation perseus, almost as bright as polaris 大陵五,英仙座星,恶魔星英仙座的双星,几乎与北极星一样明亮。
Unlike the eclipsing variables that are related to geometry, some variable stars are variables because of their intrinsic structure :和食变星不同的是,有些恒星的光度变化是内部因素所造成的。
There are several types of variable stars . the graph showing the variation of brightness with respect to time is called the 变星种类繁多,科学家通常会用图来显示恒星亮度随时间的变化,这种图称为