“发散光束”的意思、由来-中文百科全书

词条	发散光束
释义	发散光束：是指光束的截面积不断扩大的光束．由一个点光源产生的一束光就是发散光束．
随便看	Advanced Uninstaller PRO 2006 Advanced WindowsCare Personal Advanced Word Repair V1.2.0.0 AdvancedXVideoConverterv4.7.1汉化版 Advantage Lucy advapi32.dll advapi.exe advchk.exe Advent Adventure adverb advert.dll Advertise advertisement Ad Views AdView小助手 Advil advise advisor advpack.dll advrcntr2 advrcntr2.dll Adware Adware/Adload.ad Adware/Agent.b

百科全书收录4421916条中文百科知识，基本涵盖了大多数领域的百科知识，是一部内容开放、自由的电子版百科全书。