您要查找的是不是：
- spectral line of absorption 吸收谱线
- radio spectral line of celestial carbon monoxide 一氧化碳射电谱线
- Cygnus X-1 must have a mass of about 7 solar masses or else it would not exert enough gravitational pull to cause the wobble in the spectral lines of HDE 226868. 天鹅座X则必须有7个太阳大小的质量，否则它将不会有足够的引力来引起HDE226868谱线的来回波动。
- Participation in tender is in our line of business. 参加投标属于我们的业务范围。
- Spectroscopic observations show that the spectral lines of HDE 226868 shift back and forth with a period of 5. 6 days. 分光镜的观测表明HDE226868谱线的来回波动有5.;6天的周期。
- A long line of car is unable to pass that road hog. 一长串的车子无法超越那个挡道的汽车驾驶。
- How do you get start in that line of work? 你是怎么开始干那一行的？
- I do not want to be in the boss line of fire today. 今天我不想遭到老板的非难。
- The line of flags was slung up between two trees. 一排旗帜悬挂在两棵树之间。
- We focused our investigation on the matrix effects, spectrum interference & background on the spectral lines of other rare earth elements in europium oxide matrix. 着重考察了铕基体对分析元素的基体效应，谱线干扰及背景影响等情况。
- A lorry drove into a line of parked cars. 一辆卡车撞上了一排停著的汽车。
- The play was stopped at the line of scrimmage. 球赛就在起赛线上停了下来。
- Attenuation of light is in the form of absorption. 光是以吸收的形式衰减。
- May I know what line of business you handle? 可以告诉我你们从事何种业务吗？
- The Balmer Formula is concluded from the relations among four mixed and disorderly digits calculated from the ratios of wave lengths of four spectral lines of hydrogen to their ultimate wave lengths. 由氢的 4条谱线的波长与其极限波长之比得出四个杂乱的数 ,从其关系中得出巴尔末公式。
- The study was focused on matrix effects, spectrum interference and background of the spectral lines of other rare earth elements in europium oxide matrix, and the optimum condition was selected. 著重考察了铕基体对分析元素的基体效应，谱线干扰及背景影响等情况，同时对仪器的工作条件进行了优化。
- The reddening sky threw into relief a line of trees on the horizon. 通红的天空使地平线上的一行清晰可见。
- She comes from a long line of actresses. 她出身於演员世家。
- Please indent the first line of each paragraph. 请于每段第一行缩格书写。
- A line of palm trees fringe the swimming pool. 游泳池边缘围了一圈棕榈树。
