您要查找的是不是：
- radio emission from planets 行星射电
- We have been receiving powerful radio emissions from a distant star system. 我们接收到从一个遥远的恒星系发射出的强大的无线电波。
- Radio emission from mini-magnetospheres on the Moon 在月球上极小磁性层无线电波发射
- Radio emission from the Milky Way Galaxy 银河系的射电辐射
- Advances in Methane Emission from Rice Paddies. 水田甲烷排放研究进展。
- In cathode ray tube display, the continuation of light emission from phosphor after excitation by the electron beam. 在阴极射线管显示器中，用电子束激励后荧光物质光发射的持续现象。
- The exhaust emission from factories ofen pollutes air. 从工厂排出来的废气经常污染空气。
- MANSUROV V A.Acoustic emission from failing rock behavior[J]. 吴刚;赵震洋.;不同应力状态下岩石类材料破坏的声发射特性[J]
- radio emission from the planets 行星射电
- JI: Now are my last words. I am from Planet W in the Galaxy X and now waiting for going home, waiting for going home. 快留遗言了。我是来字X星系W星球。我一直在等待回家，等待回家。
- The high brightness temperature of the pulsar radio emission implies that the underlying emission mechanism must be coherent. 极高的亮温度意味着起作用的发射机制一定是相干的。
- Pluto recent reclassification, by the International Astronomical Union, from planet to dwarf planet remains a topic of much debate. 最近国际天文联合会对通过冥王星重新分类，把它定义为矮行星，但这一定义仍存在很多争议。
- Carbon monoxide, an emission from fossil fuels, is highly toxic to the brain. 来自化石燃料的一氧化碳废气，是对大脑高度有毒的。
- Other clusters have bubbles, too.Chandra observations revealed x-ray cavities with associated radio emission in the Hydra A, Hercules A and Abell 2597 clusters. 别的星系团也拥有气泡，钱卓在长蛇座A（HydraA）、武仙座A（HerculesA）和艾伯耳2597（Abell2597）等星系团里，都观测到伴随著电波发射的X射线空腔。
- About 4,000 light-years from planet Earth toward the nautical constellation Puppis, the nebula spans over a light-year and is energized by ultraviolet light from the central star. 这个星云位于距离地球大约4,000光年的船尾座,大小超过1光年，它由来自中央星的紫外光辐射发光。
- Since Pluto's recent demotion by the IAU from planet to dwarf planet status, Pluto has recently also been given a new numeric designation: (134340) Pluto. 自从冥王星最近被国际天文联合会(IAU)定义为矮行星地位后，冥王星近期也被给与了一个新的代号：（134340）冥王星。
- It certainly looks like it at first glance, with a dark, cratered Moon standing off from planet Earth's lovely blue disk surrounded by a nurturing atmosphere. 当然，第一眼看上去就是这样的，颜色较暗，表面多坑的月球与地球相距较远，地球可爱的蓝色盘面外有一层起保护作用的大气层。
- Emissions from factories pollute the air. 工厂排放物污染空气。
- It provided the motivation for controlling smoke and dust emission from industrial plant. 这为控制工厂企业散发的烟尘起了促进作用。
- The hydrogen in the gauge is ionized by electron emission from a heated cathode. 在离子计内的氢气是用一个加热阴极放射电子来电离的。
