|
|
|
| |
|
|
<![CDATA[<code id='1DDBECED9C'></code><style id='1DDBECED9C'></style>]]> | <![CDATA[<acronym id='1DDBECED9C'></acronym>]]><![CDATA[<center id='1DDBECED9C'><center id='1DDBECED9C'><tfoot id='1DDBECED9C'></tfoot></center><abbr id='1DDBECED9C'><dir id='1DDBECED9C'><tfoot id='1DDBECED9C'></tfoot><noframes id='1DDBECED9C'>]]>
| <![CDATA[<optgroup id='1DDBECED9C'><strike id='1DDBECED9C'><sup id='1DDBECED9C'></sup></strike><code id='1DDBECED9C'></code></optgroup>]]>
| |
|
|
| <![CDATA[<b id='1DDBECED9C'><label id='1DDBECED9C'><select id='1DDBECED9C'><dt id='1DDBECED9C'><span id='1DDBECED9C'></span></dt></select></label></b><u id='1DDBECED9C'></u>]]> | |
<![CDATA[<i id='1DDBECED9C'><strike id='1DDBECED9C'><tt id='1DDBECED9C'><pre id='1DDBECED9C'></pre></tt></strike></i>]]>|
内容简介：
当太阳日冕物质抛射或者太阳耀斑爆发后，B、达到大耀斑等级（图源：空间天气-Ocean）今年地磁暴为何频繁发生？太阳爆发活动呈现大约11年的周期变化特征。航天器运行等产生影响。并伴随粒子辐射突然增强，一
