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- It starts with a core of increased density in a molecular cloud and ends with the formation of a T Tauri star, which then develops into a main sequence star. 但是因為總能量的守恒，因此伴隨著(zhù)重力能量的減少，微粒的動(dòng)能就必須相對的增加。
- Similar to other main sequence stars, hydrogen nuclei will be fused to helium nuclei in the core. 和其他恒星一樣,大質(zhì)量恒星會(huì )在主序階段把氫轉化為氦。
- Main sequence stars have stable luminosities and sizes. To be honest, they are quite boring compare to their deaths. 主序星的光度和大小十分穩定,或者你可以說(shuō)相對于恒星的死亡舞曲,主序階段相當沈悶。
- We discussed some physical properties of NGC 2244 based on our membership probabilities and 2MASS data, such as the radius of the cluster, pre-main sequence stars, and apparent Ks-band luminosity function. 我們利用前面得到的自行及成員判定結果,對NGC 2244 的物理性質(zhì)進(jìn)行了一些研究。 比如重新確定星團的半徑,尋找星團內的主序前恒星,用2MASS的Ks 波段進(jìn)行光度函數(KLF)的研究等。
- For a while, the darkling star disappeared behind thick clouds. 隱約出現的星星暫時(shí)消失在厚厚的云層後面了。
- The cluster contains no main sequence stars bluer than spectral type F, other than perhaps some of the blue stragglers, since the brighter stars of that age have already left the main sequence. 這個(gè)星團除了一些藍掉隊星外，沒(méi)有光譜分類(lèi)在F以上的藍色主序星，因為這些較量的恒星都已經(jīng)離開(kāi)了主序帶。
- He has an urge to become a cinema star. 他渴望當一名電影明星。
- She is crazed about the film star. 她對那位影星著(zhù)迷。
- All but the morning star have disappeared. 除掉金星以外其他的星星全都消失了。
- In video disk, a consecutive sequence of frames. 在視頻光盤(pán)上，一種連續的幀序列。
- The children mobbed the baseball star. 孩子們歡呼著(zhù)朝那棒球明星圍上去。
- She made a sequence of dance movements. 她做了一個(gè)連續的舞蹈動(dòng)作。
- The cast of the play included a international star. 這個(gè)劇的演員名單中有一位國際明星。
- The coach saved his star player for a trump card. 教練保留他的明星選手，作為他的王牌。
- The film star held court in the hotel lobby. 這位電影明星在旅館的大廳里接見(jiàn)了影迷。
- Put the mixed historical facts in sequence. 將混淆的歷史事件按順序排列。
- The kids went crazy when the film star appeared. 那位影星一出場(chǎng)，孩子們欣喜若狂。
- The star of the film is a previously unknown actor. 這部電影里的明星以前是個(gè)默默無(wú)聞的演員。
- We will deal with events in historical sequence. 我們將按照歷史上的先后順序研究這些事件。
- Many a famous pop star has been ruined by drugs. 很多著(zhù)名的流行音樂(lè )歌星都因使用毒品而毀了自己。
