variable adj. 1.易變的,變化無常的,無定的 (opp. constant, steady)。 2.可變的,能變的;變換的。 3.【數(shù)學(xué)】變量的;【天文學(xué)】變光的;【生物學(xué)】變異的。 Prices are variable according to the exchanges. 物價(jià)跟著匯率變動(dòng)。 a man of variable character 反復(fù)無常的人。 a rod of variable length (伸縮)如意棒。 a word of variable construction 可以作種種解釋的詞。 variable capital 可變資本。 a variable budget 臨時(shí)預(yù)算。 n. 1.易變的東西。 2.【數(shù)學(xué)】變量,變數(shù),變項(xiàng),變?cè)?(opp. constant);【天文學(xué)】變星 (=variable star);【航海】(方向不定的)變風(fēng),不定風(fēng) (opp. trade wind); 〔pl.〕 (貿(mào)易風(fēng)帶中的)變風(fēng)帶。 adv. -ably ,-ness n.
These objects include variable stars as well as supernovae 這些物體包括象超新星這樣的變星。
List of known variable stars 變星列表
Cepheid variable stars are stars whose brightness changes at regular periods 造父變星是一種光線按規(guī)律周期發(fā)生變化的恒星。
Welcome to the american association of variable star observers ( aavso ) nova search program 歡迎訪問美國變星協(xié)會(huì)新星搜索組。
Naked-eye variable star 肉眼變星
Besides, many stars vary in their brightness, they are called variable stars 另一方面,有些星則會(huì)改變光度,我們叫它們?yōu)樽冃恰?i class="labawb" onClick="playMp3('sound_c_6')">
Another new small-amplitude red variable star with period of about one day in the globular cluster m 4中另一顆周期約一天的小變幅新紅變星
A double, eclipsing variable star in the constellation perseus, almost as bright as polaris 大陵五,英仙座星,惡魔星英仙座的雙星,幾乎與北極星一樣明亮。
Unlike the eclipsing variables that are related to geometry, some variable stars are variables because of their intrinsic structure :和食變星不同的是,有些恒星的光度變化是內(nèi)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 變星種類繁多,科學(xué)家通常會(huì)用圖來顯示恒星亮度隨時(shí)間的變化,這種圖稱為