| 1. | It is almost the case that each x ray source exhibits its own brand of variability . 几乎每个x射线源都有自己的变化特点。 |
| 2. | Intermediate - mass black holes and quasisoft x - ray sources 10 04 中型黑洞与类软x射线源10 04 |
| 3. | X - ray source with micro - beam produced with slow highly charged ions 聚焦慢速高荷态重离子束微束斑x射线源 |
| 4. | Cygnus x - 3 is a binary x - ray source located at a distance of 10kpc 天鹅座x - 3是一个距离约10千秒差距的双重x射线源。 |
| 5. | Standard guide for selecting dosimetry systems for application in pulsed x - ray sources 选择脉冲x射线源用的剂量测定系统的标准指南 |
| 6. | For some of those x ray sources , no visible counterparts can be seen in optical range 当中一些x射线源,用光学望远镜竟无法看见它们对应的物体。 |
| 7. | Standard test method for determining the focal size of iridium - 192 industrial radiographic sources 测定铱192工业x射线源的聚焦尺寸的标准试验方法 |
| 8. | The presence of x - rays also indicates that an object may be a black hole or possibly neutron star 找寻这些x射线源亦是寻找黑洞或中子星的重要方法。 |
| 9. | However , the x - ray flux of the nucleus is weak , which is a long - standing puzzle for astronomers 然而,这个x射线源的强度十分微弱,使天文学家们大惑不解。 |
| 10. | In 2003 , astronomers studied extremely remote sources of x rays by using the chandra x ray observatory 2003年,天文学家利用陈德拉x射线天文台观测了极遥远的x射线源。 |